1155555428592 has 40 divisors (see below), whose sum is σ = 3142299852160. Its totient is φ = 364912240320.

The previous prime is 1155555428567. The next prime is 1155555428681. The reversal of 1155555428592 is 2958245555511.

It is a super-2 number, since 2×1155555428592² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 633527284 + ... + 633529107.

It is an arithmetic number, because the mean of its divisors is an integer number (78557496304).

Almost surely, 2^{1155555428592} is an apocalyptic number.

1155555428592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155555428592 is an abundant number, since it is smaller than the sum of its proper divisors (1986744423568).

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

1155555428592 is a wasteful number, since it uses less digits than its factorization.

1155555428592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267056421 (or 1267056415 counting only the distinct ones).

The product of its digits is 18000000, while the sum is 57.

The spelling of 1155555428592 in words is "one trillion, one hundred fifty-five billion, five hundred fifty-five million, four hundred twenty-eight thousand, five hundred ninety-two".