25111151252 has 24 divisors (see below), whose sum is σ = 47956194720. Its totient is φ = 11410177760.

The previous prime is 25111151251. The next prime is 25111151269. The reversal of 25111151252 is 25215111152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25111151251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29903 + ... + 226089.

It is an arithmetic number, because the mean of its divisors is an integer number (1998174780).

Almost surely, 2^25111151252 is an apocalyptic number.

25111151252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25111151252 is a deficient number, since it is larger than the sum of its proper divisors (22845043468).

25111151252 is a wasteful number, since it uses less digits than its factorization.

25111151252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199111 (or 199109 counting only the distinct ones).

The product of its digits is 1000, while the sum is 26.

The spelling of 25111151252 in words is "twenty-five billion, one hundred eleven million, one hundred fifty-one thousand, two hundred fifty-two".