25055611655051 has 2 divisors, whose sum is σ = 25055611655052. Its totient is φ = 25055611655050.

The previous prime is 25055611655047. The next prime is 25055611655069. The reversal of 25055611655051 is 15055611655052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25055611655051 - 2² = 25055611655047 is a prime.

It is a super-2 number, since 2×25055611655051² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25055611654987 and 25055611655005.

It is not a weakly prime, because it can be changed into another prime (25055611655951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527805827525 + 12527805827526.

It is an arithmetic number, because the mean of its divisors is an integer number (12527805827526).

Almost surely, 2^{25055611655051} is an apocalyptic number.

25055611655051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25055611655051 is an equidigital number, since it uses as much as digits as its factorization.

25055611655051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125000, while the sum is 47.

Subtracting from 25055611655051 its reverse (15055611655052), we obtain a palindrome (9999999999999).

The spelling of 25055611655051 in words is "twenty-five trillion, fifty-five billion, six hundred eleven million, six hundred fifty-five thousand, fifty-one".