1155612630240 has 144 divisors (see below), whose sum is σ = 3944243682288. Its totient is φ = 308107450368.

The previous prime is 1155612630121. The next prime is 1155612630241. The reversal of 1155612630240 is 420362165511.

1155612630240 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 6 + 12 + 630 + 2 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1155612630195 and 1155612630204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155612630241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8191339 + ... + 8331221.

It is an arithmetic number, because the mean of its divisors is an integer number (27390581127).

Almost surely, 2^{1155612630240} is an apocalyptic number.

1155612630240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155612630240 is an abundant number, since it is smaller than the sum of its proper divisors (2788631052048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155612630240 is a wasteful number, since it uses less digits than its factorization.

1155612630240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145641 (or 145630 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 1155612630240 its reverse (420362165511), we get a palindrome (1575974795751).

The spelling of 1155612630240 in words is "one trillion, one hundred fifty-five billion, six hundred twelve million, six hundred thirty thousand, two hundred forty".