25075647045 has 24 divisors (see below), whose sum is σ = 43553742336. Its totient is φ = 13346205408.

The previous prime is 25075647013. The next prime is 25075647061. The reversal of 25075647045 is 54074657052.

It is not a de Polignac number, because 25075647045 - 2⁵ = 25075647013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550197 + ... + 594026.

It is an arithmetic number, because the mean of its divisors is an integer number (1814739264).

Almost surely, 2^25075647045 is an apocalyptic number.

It is an amenable number.

25075647045 is a deficient number, since it is larger than the sum of its proper divisors (18478095291).

25075647045 is a wasteful number, since it uses less digits than its factorization.

25075647045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144721 (or 1144718 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 25075647045 in words is "twenty-five billion, seventy-five million, six hundred forty-seven thousand, forty-five".