25086124996 has 9 divisors (see below), whose sum is σ = 43901273101. Its totient is φ = 12542904112.

The previous prime is 25086124967. The next prime is 25086125041. The reversal of 25086124996 is 69942168052.

The square root of 25086124996 is 158386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7679016900 + 17407108096 = 87630^2 + 131936^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 277176 + ... + 356368.

Almost surely, 2^25086124996 is an apocalyptic number.

25086124996 is the 158386-th square number.

It is an amenable number.

25086124996 is a deficient number, since it is larger than the sum of its proper divisors (18815148105).

25086124996 is an frugal number, since it uses more digits than its factorization.

25086124996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158390 (or 79195 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 25086124996 in words is "twenty-five billion, eighty-six million, one hundred twenty-four thousand, nine hundred ninety-six".