25137873152 has 72 divisors (see below), whose sum is σ = 57569963136. Its totient is φ = 10731257856.

The previous prime is 25137873151. The next prime is 25137873169.

25137873152 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25137873151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433253 + ... + 487835.

Almost surely, 2^25137873152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25137873152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28784981568).

25137873152 is an abundant number, since it is smaller than the sum of its proper divisors (32432089984).

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

25137873152 is an equidigital number, since it uses as much as digits as its factorization.

25137873152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54863 (or 54849 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The spelling of 25137873152 in words is "twenty-five billion, one hundred thirty-seven million, eight hundred seventy-three thousand, one hundred fifty-two".