15250002765 has 16 divisors (see below), whose sum is σ = 24541049088. Its totient is φ = 8086319936.

The previous prime is 15250002749. The next prime is 15250002853. The reversal of 15250002765 is 56720005251.

It is a cyclic number.

It is not a de Polignac number, because 15250002765 - 2⁴ = 15250002749 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, 2935749 + ... + 2940938.

It is an arithmetic number, because the mean of its divisors is an integer number (1533815568).

Almost surely, 2^15250002765 is an apocalyptic number.

15250002765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15250002765 is a deficient number, since it is larger than the sum of its proper divisors (9291046323).

15250002765 is a wasteful number, since it uses less digits than its factorization.

15250002765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876868.

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 15250002765 in words is "fifteen billion, two hundred fifty million, two thousand, seven hundred sixty-five".