25130252552 has 8 divisors (see below), whose sum is σ = 47119223550. Its totient is φ = 12565126272.

The previous prime is 25130252551. The next prime is 25130252633. The reversal of 25130252552 is 25525203152.

It can be written as a sum of positive squares in only one way, i.e., 24082694596 + 1047557956 = 155186^2 + 32366^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25130252551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570640777 + ... + 1570640792.

Almost surely, 2^25130252552 is an apocalyptic number.

It is an amenable number.

25130252552 is a deficient number, since it is larger than the sum of its proper divisors (21988970998).

25130252552 is a wasteful number, since it uses less digits than its factorization.

25130252552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141281575 (or 3141281571 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 25130252552 in words is "twenty-five billion, one hundred thirty million, two hundred fifty-two thousand, five hundred fifty-two".