25364768655 has 32 divisors (see below), whose sum is σ = 44452670400. Its totient is φ = 12293076992.

The previous prime is 25364768521. The next prime is 25364768657. The reversal of 25364768655 is 55686746352.

It is not a de Polignac number, because 25364768655 - 2¹¹ = 25364766607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25364768595 and 25364768604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25364768657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1707600 + ... + 1722389.

It is an arithmetic number, because the mean of its divisors is an integer number (1389145950).

Almost surely, 2^25364768655 is an apocalyptic number.

25364768655 is a deficient number, since it is larger than the sum of its proper divisors (19087901745).

25364768655 is a wasteful number, since it uses less digits than its factorization.

25364768655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430043.

The product of its digits is 36288000, while the sum is 57.

The spelling of 25364768655 in words is "twenty-five billion, three hundred sixty-four million, seven hundred sixty-eight thousand, six hundred fifty-five".