25385845353988 has 36 divisors (see below), whose sum is σ = 51699276869520. Its totient is φ = 10875237729552.

The previous prime is 25385845353971. The next prime is 25385845353997. The reversal of 25385845353988 is 88935354858352.

It is a super-2 number, since 2×25385845353988² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25766898 + ... + 26733961.

Almost surely, 2^{25385845353988} is an apocalyptic number.

25385845353988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25385845353988 is an abundant number, since it is smaller than the sum of its proper divisors (26313431515532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25385845353988 is a wasteful number, since it uses less digits than its factorization.

25385845353988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52503344 (or 52503335 counting only the distinct ones).

The product of its digits is 4976640000, while the sum is 76.

The spelling of 25385845353988 in words is "twenty-five trillion, three hundred eighty-five billion, eight hundred forty-five million, three hundred fifty-three thousand, nine hundred eighty-eight".