25004615045 has 16 divisors (see below), whose sum is σ = 31057086960. Its totient is φ = 19303409664.

The previous prime is 25004615033. The next prime is 25004615047. The reversal of 25004615045 is 54051640052.

It can be written as a sum of positive squares in 8 ways, for example, as 3289940164 + 21714674881 = 57358^2 + 147359^2 .

It is not a de Polignac number, because 25004615045 - 2³⁰ = 23930873221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25004615047) 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, 226229 + ... + 318101.

It is an arithmetic number, because the mean of its divisors is an integer number (1941067935).

Almost surely, 2^25004615045 is an apocalyptic number.

It is an amenable number.

25004615045 is a deficient number, since it is larger than the sum of its proper divisors (6052471915).

25004615045 is a wasteful number, since it uses less digits than its factorization.

25004615045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93784.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 25004615045 in words is "twenty-five billion, four million, six hundred fifteen thousand, forty-five".