107890057157256 has 144 divisors (see below), whose sum is σ = 321278356215180. Its totient is φ = 32684043744000.

The previous prime is 107890057157221. The next prime is 107890057157261. The reversal of 107890057157256 is 652751750098701.

It is a happy number.

107890057157256 is a `hidden beast` number, since 1 + 0 + 7 + 8 + 9 + 0 + 0 + 5 + 7 + 1 + 572 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 107870865488100 + 19191669156 = 10386090^2 + 138534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 107890057157193 and 107890057157202.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26882506 + ... + 30634118.

Almost surely, 2^{107890057157256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107890057157256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160639178107590).

107890057157256 is an abundant number, since it is smaller than the sum of its proper divisors (213388299057924).

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

107890057157256 is a wasteful number, since it uses less digits than its factorization.

107890057157256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754948 (or 3754930 counting only the distinct ones).

The product of its (nonzero) digits is 37044000, while the sum is 63.

The spelling of 107890057157256 in words is "one hundred seven trillion, eight hundred ninety billion, fifty-seven million, one hundred fifty-seven thousand, two hundred fifty-six".