1123355152172 has 24 divisors (see below), whose sum is σ = 2151066251712. Its totient is φ = 509073325200.

The previous prime is 1123355152141. The next prime is 1123355152207. The reversal of 1123355152172 is 2712515533211.

It is a super-2 number, since 2×1123355152172² (a number of 25 digits) contains 22 as substring.

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, 38551598 + ... + 38580725.

It is an arithmetic number, because the mean of its divisors is an integer number (89627760488).

Almost surely, 2^{1123355152172} is an apocalyptic number.

It is an amenable number.

1123355152172 is a deficient number, since it is larger than the sum of its proper divisors (1027711099540).

1123355152172 is a wasteful number, since it uses less digits than its factorization.

1123355152172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77132669 (or 77132667 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The spelling of 1123355152172 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-five million, one hundred fifty-two thousand, one hundred seventy-two".