25150136404 has 12 divisors (see below), whose sum is σ = 44015354964. Its totient is φ = 12574320704.

The previous prime is 25150136381. The next prime is 25150136443. The reversal of 25150136404 is 40463105152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4544108100 + 20606028304 = 67410^2 + 143548^2 .

It is a super-2 number, since 2×25150136404² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107419 + ... + 248674.

It is an arithmetic number, because the mean of its divisors is an integer number (3667946247).

Almost surely, 2^25150136404 is an apocalyptic number.

It is an amenable number.

25150136404 is a deficient number, since it is larger than the sum of its proper divisors (18865218560).

25150136404 is a wasteful number, since it uses less digits than its factorization.

25150136404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373754 (or 373752 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 25150136404 in words is "twenty-five billion, one hundred fifty million, one hundred thirty-six thousand, four hundred four".