25514950756 has 9 divisors (see below), whose sum is σ = 44651722899. Its totient is φ = 12757315644.

The previous prime is 25514950751. The next prime is 25514950757. The reversal of 25514950756 is 65705941552.

The square root of 25514950756 is 159734.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×25514950756² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25514950751) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 279535 + ... + 359401.

Almost surely, 2^25514950756 is an apocalyptic number.

25514950756 is the 159734-th square number.

It is an amenable number.

25514950756 is a deficient number, since it is larger than the sum of its proper divisors (19136772143).

25514950756 is an frugal number, since it uses more digits than its factorization.

25514950756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159738 (or 79869 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 49.

Multiplying 25514950756 by its sum of digits (49), we get a square (1250232587044 = 1118138²).

The spelling of 25514950756 in words is "twenty-five billion, five hundred fourteen million, nine hundred fifty thousand, seven hundred fifty-six".