25055501111077 has 4 divisors (see below), whose sum is σ = 25666610894316. Its totient is φ = 24444391327840.

The previous prime is 25055501111051. The next prime is 25055501111111. The reversal of 25055501111077 is 77011110555052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10149060406081 + 14906440704996 = 3185759^2 + 3860886^2 .

It is a cyclic number.

It is not a de Polignac number, because 25055501111077 - 2⁷ = 25055501110949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055501112077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305554891558 + ... + 305554891639.

It is an arithmetic number, because the mean of its divisors is an integer number (6416652723579).

Almost surely, 2^{25055501111077} is an apocalyptic number.

It is an amenable number.

25055501111077 is a deficient number, since it is larger than the sum of its proper divisors (611109783239).

25055501111077 is an equidigital number, since it uses as much as digits as its factorization.

25055501111077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611109783238.

The product of its (nonzero) digits is 61250, while the sum is 40.

The spelling of 25055501111077 in words is "twenty-five trillion, fifty-five billion, five hundred one million, one hundred eleven thousand, seventy-seven".