25126126264 has 8 divisors (see below), whose sum is σ = 47111486760. Its totient is φ = 12563063128.

The previous prime is 25126126253. The next prime is 25126126307. The reversal of 25126126264 is 46262162152.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570382884 + ... + 1570382899.

It is an arithmetic number, because the mean of its divisors is an integer number (5888935845).

Almost surely, 2^25126126264 is an apocalyptic number.

It is an amenable number.

25126126264 is a deficient number, since it is larger than the sum of its proper divisors (21985360496).

25126126264 is a wasteful number, since it uses less digits than its factorization.

25126126264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140765789 (or 3140765785 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 25126126264 in words is "twenty-five billion, one hundred twenty-six million, one hundred twenty-six thousand, two hundred sixty-four".