25131434054 has 16 divisors (see below), whose sum is σ = 37818361296. Its totient is φ = 12525338400.

The previous prime is 25131434047. The next prime is 25131434057. The reversal of 25131434054 is 45043413152.

It is a super-2 number, since 2×25131434054² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25131434054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25131434057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036664 + ... + 4042884.

It is an arithmetic number, because the mean of its divisors is an integer number (2363647581).

Almost surely, 2^25131434054 is an apocalyptic number.

25131434054 is a deficient number, since it is larger than the sum of its proper divisors (12686927242).

25131434054 is a wasteful number, since it uses less digits than its factorization.

25131434054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 25131434054 in words is "twenty-five billion, one hundred thirty-one million, four hundred thirty-four thousand, fifty-four".