1155582354240 has 168 divisors, whose sum is σ = 4082147096040. Its totient is φ = 299826745344.

The previous prime is 1155582354239. The next prime is 1155582354253. The reversal of 1155582354240 is 424532855511.

1155582354240 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 58 + 2 + 354 + 240 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 56305594944 + 1099276759296 = 237288^2 + 1048464^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5315655 + ... + 5528774.

Almost surely, 2^{1155582354240} is an apocalyptic number.

1155582354240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155582354240 is an abundant number, since it is smaller than the sum of its proper divisors (2926564741800).

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

1155582354240 is a wasteful number, since it uses less digits than its factorization.

1155582354240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844489 (or 10844476 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The spelling of 1155582354240 in words is "one trillion, one hundred fifty-five billion, five hundred eighty-two million, three hundred fifty-four thousand, two hundred forty".