15838548655 has 4 divisors (see below), whose sum is σ = 19006258392. Its totient is φ = 12670838920.

The previous prime is 15838548631. The next prime is 15838548697. The reversal of 15838548655 is 55684583851.

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

It is not a de Polignac number, because 15838548655 - 2⁷ = 15838548527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15838548655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583854861 + ... + 1583854870.

It is an arithmetic number, because the mean of its divisors is an integer number (4751564598).

Almost surely, 2^15838548655 is an apocalyptic number.

15838548655 is a deficient number, since it is larger than the sum of its proper divisors (3167709737).

15838548655 is an equidigital number, since it uses as much as digits as its factorization.

15838548655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167709736.

The product of its digits is 23040000, while the sum is 58.

The spelling of 15838548655 in words is "fifteen billion, eight hundred thirty-eight million, five hundred forty-eight thousand, six hundred fifty-five".