15387355054079 has 4 divisors (see below), whose sum is σ = 15387460014384. Its totient is φ = 15387250093776.

The previous prime is 15387355054073. The next prime is 15387355054109. The reversal of 15387355054079 is 97045055378351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15387355054079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15387355054073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52259942 + ... + 52553555.

It is an arithmetic number, because the mean of its divisors is an integer number (3846865003596).

Almost surely, 2^{15387355054079} is an apocalyptic number.

15387355054079 is a deficient number, since it is larger than the sum of its proper divisors (104960305).

15387355054079 is a wasteful number, since it uses less digits than its factorization.

15387355054079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104960304.

The product of its (nonzero) digits is 79380000, while the sum is 62.

The spelling of 15387355054079 in words is "fifteen trillion, three hundred eighty-seven billion, three hundred fifty-five million, fifty-four thousand, seventy-nine".