15401285913 has 16 divisors (see below), whose sum is σ = 22444740416. Its totient is φ = 9336254400.

The previous prime is 15401285903. The next prime is 15401285947. The reversal of 15401285913 is 31958210451.

It is not a de Polignac number, because 15401285913 - 2⁴ = 15401285897 is a prime.

It is a super-3 number, since 3×15401285913³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15401285903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2944438 + ... + 2949663.

It is an arithmetic number, because the mean of its divisors is an integer number (1402796276).

Almost surely, 2^15401285913 is an apocalyptic number.

15401285913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15401285913 is a deficient number, since it is larger than the sum of its proper divisors (7043454503).

15401285913 is a wasteful number, since it uses less digits than its factorization.

15401285913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894184.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 15401285913 in words is "fifteen billion, four hundred one million, two hundred eighty-five thousand, nine hundred thirteen".