15001025255 has 32 divisors (see below), whose sum is σ = 19601433600. Its totient is φ = 10981982592.

The previous prime is 15001025227. The next prime is 15001025287. The reversal of 15001025255 is 55252010051.

It is a cyclic number.

It is not a de Polignac number, because 15001025255 - 2⁶ = 15001025191 is a prime.

It is a super-2 number, since 2×15001025255² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473234 + ... + 503936.

It is an arithmetic number, because the mean of its divisors is an integer number (612544800).

Almost surely, 2^15001025255 is an apocalyptic number.

15001025255 is a deficient number, since it is larger than the sum of its proper divisors (4600408345).

15001025255 is a wasteful number, since it uses less digits than its factorization.

15001025255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30903.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 15001025255 in words is "fifteen billion, one million, twenty-five thousand, two hundred fifty-five".