25150001388764 has 48 divisors (see below), whose sum is σ = 50367113404608. Its totient is φ = 10764200360448.

The previous prime is 25150001388719. The next prime is 25150001388781. The reversal of 25150001388764 is 46788310005152.

It is a super-2 number, since 2×25150001388764² (a number of 28 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 15 ways as a sum of consecutive naturals, for example, 66068882 + ... + 66448454.

It is an arithmetic number, because the mean of its divisors is an integer number (1049314862596).

Almost surely, 2^{25150001388764} is an apocalyptic number.

It is an amenable number.

25150001388764 is an abundant number, since it is smaller than the sum of its proper divisors (25217112015844).

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

25150001388764 is a wasteful number, since it uses less digits than its factorization.

25150001388764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382734 (or 382732 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 25150001388764 in words is "twenty-five trillion, one hundred fifty billion, one million, three hundred eighty-eight thousand, seven hundred sixty-four".