15150056111640 has 128 divisors (see below), whose sum is σ = 50792096260800. Its totient is φ = 4016662225920.

The previous prime is 15150056111633. The next prime is 15150056111669. The reversal of 15150056111640 is 4611165005151.

15150056111640 is a `hidden beast` number, since 1 + 5 + 1 + 5 + 0 + 0 + 5 + 6 + 1 + 1 + 1 + 640 = 666.

It is a super-2 number, since 2×15150056111640² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 15150056111595 and 15150056111604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40356021 + ... + 40729700.

Almost surely, 2^{15150056111640} is an apocalyptic number.

15150056111640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15150056111640 is an abundant number, since it is smaller than the sum of its proper divisors (35642040149160).

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

15150056111640 is a wasteful number, since it uses less digits than its factorization.

15150056111640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81085914 (or 81085904 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The spelling of 15150056111640 in words is "fifteen trillion, one hundred fifty billion, fifty-six million, one hundred eleven thousand, six hundred forty".