15025001264 has 40 divisors (see below), whose sum is σ = 35828852640. Its totient is φ = 5943955968.

The previous prime is 15025001263. The next prime is 15025001267. The reversal of 15025001264 is 46210052051.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (15025001263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158229 + ... + 5161140.

It is an arithmetic number, because the mean of its divisors is an integer number (895721316).

Almost surely, 2^15025001264 is an apocalyptic number.

15025001264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15025001264 is an abundant number, since it is smaller than the sum of its proper divisors (20803851376).

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

15025001264 is a wasteful number, since it uses less digits than its factorization.

15025001264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319397 (or 10319391 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 15025001264 in words is "fifteen billion, twenty-five million, one thousand, two hundred sixty-four".