15401513456 has 20 divisors (see below), whose sum is σ = 34103351472. Its totient is φ = 6600648576.

The previous prime is 15401513431. The next prime is 15401513467. The reversal of 15401513456 is 65431510451.

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, 68756645 + ... + 68756868.

Almost surely, 2^15401513456 is an apocalyptic number.

15401513456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15401513456 is an abundant number, since it is smaller than the sum of its proper divisors (18701838016).

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

15401513456 is a wasteful number, since it uses less digits than its factorization.

15401513456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137513528 (or 137513522 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 15401513456 in words is "fifteen billion, four hundred one million, five hundred thirteen thousand, four hundred fifty-six".