25445733051 has 16 divisors (see below), whose sum is σ = 34676409600. Its totient is φ = 16593487200.

The previous prime is 25445733043. The next prime is 25445733077. The reversal of 25445733051 is 15033754452.

It is not a de Polignac number, because 25445733051 - 2³ = 25445733043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25445733011) 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, 480751 + ... + 531048.

It is an arithmetic number, because the mean of its divisors is an integer number (2167275600).

Almost surely, 2^25445733051 is an apocalyptic number.

25445733051 is a deficient number, since it is larger than the sum of its proper divisors (9230676549).

25445733051 is a wasteful number, since it uses less digits than its factorization.

25445733051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011986.

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 25445733051 in words is "twenty-five billion, four hundred forty-five million, seven hundred thirty-three thousand, fifty-one".