15001500231 has 12 divisors (see below), whose sum is σ = 21688600752. Its totient is φ = 9991876896.

The previous prime is 15001500211. The next prime is 15001500233. The reversal of 15001500231 is 13200510051.

It is not a de Polignac number, because 15001500231 - 2⁶ = 15001500167 is a prime.

It is a super-2 number, since 2×15001500231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15001500233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749851 + ... + 769596.

It is an arithmetic number, because the mean of its divisors is an integer number (1807383396).

Almost surely, 2^15001500231 is an apocalyptic number.

15001500231 is a deficient number, since it is larger than the sum of its proper divisors (6687100521).

15001500231 is a wasteful number, since it uses less digits than its factorization.

15001500231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520550 (or 1520547 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The spelling of 15001500231 in words is "fifteen billion, one million, five hundred thousand, two hundred thirty-one".