20250715761 has 24 divisors (see below), whose sum is σ = 29398037760. Its totient is φ = 13432801536.

The previous prime is 20250715753. The next prime is 20250715799. The reversal of 20250715761 is 16751705202.

It is not a de Polignac number, because 20250715761 - 2³ = 20250715753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20250715561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1489185 + ... + 1502721.

It is an arithmetic number, because the mean of its divisors is an integer number (1224918240).

Almost surely, 2^20250715761 is an apocalyptic number.

It is an amenable number.

20250715761 is a deficient number, since it is larger than the sum of its proper divisors (9147321999).

20250715761 is a wasteful number, since it uses less digits than its factorization.

20250715761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14365 (or 14362 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 20250715761 in words is "twenty billion, two hundred fifty million, seven hundred fifteen thousand, seven hundred sixty-one".