1375185228156 has 24 divisors (see below), whose sum is σ = 3565295036240. Its totient is φ = 458395076016.

The previous prime is 1375185228049. The next prime is 1375185228163. The reversal of 1375185228156 is 6518225815731.

1375185228156 is a `hidden beast` number, since 1 + 3 + 7 + 518 + 52 + 28 + 1 + 56 = 666.

It is a super-2 number, since 2×1375185228156² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 6366598171 + ... + 6366598386.

Almost surely, 2^{1375185228156} is an apocalyptic number.

It is an amenable number.

1375185228156 is an abundant number, since it is smaller than the sum of its proper divisors (2190109808084).

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

1375185228156 is a wasteful number, since it uses less digits than its factorization.

1375185228156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12733196570 (or 12733196562 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 54.

The spelling of 1375185228156 in words is "one trillion, three hundred seventy-five billion, one hundred eighty-five million, two hundred twenty-eight thousand, one hundred fifty-six".