15401625255 has 16 divisors (see below), whose sum is σ = 27380667360. Its totient is φ = 8214200064.

The previous prime is 15401625247. The next prime is 15401625299. The reversal of 15401625255 is 55252610451.

15401625255 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 1 + 625 + 25 + 5 = 666.

It is not a de Polignac number, because 15401625255 - 2³ = 15401625247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57042922 + ... + 57043191.

It is an arithmetic number, because the mean of its divisors is an integer number (1711291710).

Almost surely, 2^15401625255 is an apocalyptic number.

15401625255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15401625255 is a deficient number, since it is larger than the sum of its proper divisors (11979042105).

15401625255 is a wasteful number, since it uses less digits than its factorization.

15401625255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114086127 (or 114086121 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 15401625255 in words is "fifteen billion, four hundred one million, six hundred twenty-five thousand, two hundred fifty-five".