1151214515040 has 48 divisors (see below), whose sum is σ = 3626325723888. Its totient is φ = 306990537216.

The previous prime is 1151214515029. The next prime is 1151214515051. The reversal of 1151214515040 is 405154121511.

It is an interprime number because it is at equal distance from previous prime (1151214515029) and next prime (1151214515051).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1151214514989 and 1151214515007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199181307 + ... + 1199182266.

It is an arithmetic number, because the mean of its divisors is an integer number (75548452581).

Almost surely, 2^{1151214515040} is an apocalyptic number.

1151214515040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151214515040 is an abundant number, since it is smaller than the sum of its proper divisors (2475111208848).

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

1151214515040 is a wasteful number, since it uses less digits than its factorization.

1151214515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398363591 (or 2398363583 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 1151214515040 its reverse (405154121511), we get a palindrome (1556368636551).

The spelling of 1151214515040 in words is "one trillion, one hundred fifty-one billion, two hundred fourteen million, five hundred fifteen thousand, forty".