25543310051 has 16 divisors (see below), whose sum is σ = 29325235968. Its totient is φ = 21794810400.

The previous prime is 25543309991. The next prime is 25543310053. The reversal of 25543310051 is 15001334552.

It is a cyclic number.

It is not a de Polignac number, because 25543310051 - 2²⁶ = 25476201187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25543309996 and 25543310023.

It is not an unprimeable number, because it can be changed into a prime (25543310053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1574441 + ... + 1590581.

It is an arithmetic number, because the mean of its divisors is an integer number (1832827248).

Almost surely, 2^25543310051 is an apocalyptic number.

25543310051 is a deficient number, since it is larger than the sum of its proper divisors (3781925917).

25543310051 is a wasteful number, since it uses less digits than its factorization.

25543310051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17162.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 25543310051 in words is "twenty-five billion, five hundred forty-three million, three hundred ten thousand, fifty-one".