1155974017632 has 192 divisors, whose sum is σ = 3530487389184. Its totient is φ = 324356014080.

The previous prime is 1155974017589. The next prime is 1155974017633. The reversal of 1155974017632 is 2367104795511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155974017633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12214848 + ... + 12309120.

It is an arithmetic number, because the mean of its divisors is an integer number (18387955152).

Almost surely, 2^{1155974017632} is an apocalyptic number.

1155974017632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155974017632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765243694592).

1155974017632 is an abundant number, since it is smaller than the sum of its proper divisors (2374513371552).

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

1155974017632 is a wasteful number, since it uses less digits than its factorization.

1155974017632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94621 (or 94613 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 1155974017632 in words is "one trillion, one hundred fifty-five billion, nine hundred seventy-four million, seventeen thousand, six hundred thirty-two".