15135523054 has 4 divisors (see below), whose sum is σ = 22703284584. Its totient is φ = 7567761526.

The previous prime is 15135523033. The next prime is 15135523133. The reversal of 15135523054 is 45032553151.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3783880762 + ... + 3783880765.

It is an arithmetic number, because the mean of its divisors is an integer number (5675821146).

Almost surely, 2^15135523054 is an apocalyptic number.

15135523054 is a deficient number, since it is larger than the sum of its proper divisors (7567761530).

15135523054 is an equidigital number, since it uses as much as digits as its factorization.

15135523054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567761529.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 15135523054 in words is "fifteen billion, one hundred thirty-five million, five hundred twenty-three thousand, fifty-four".