25211532620051 has 8 divisors (see below), whose sum is σ = 25216120917504. Its totient is φ = 25206944730120.

The previous prime is 25211532620039. The next prime is 25211532620069. The reversal of 25211532620051 is 15002623511252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25211532620051 - 2¹⁴ = 25211532603667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25211532619993 and 25211532620020.

It is not an unprimeable number, because it can be changed into a prime (25211532620951) 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, 140833466 + ... + 141012368.

It is an arithmetic number, because the mean of its divisors is an integer number (3152015114688).

Almost surely, 2^{25211532620051} is an apocalyptic number.

25211532620051 is a deficient number, since it is larger than the sum of its proper divisors (4588297453).

25211532620051 is a wasteful number, since it uses less digits than its factorization.

25211532620051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203761.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 25211532620051 in words is "twenty-five trillion, two hundred eleven billion, five hundred thirty-two million, six hundred twenty thousand, fifty-one".