25113623534 has 32 divisors (see below), whose sum is σ = 39633805440. Its totient is φ = 11922359328.

The previous prime is 25113623533. The next prime is 25113623539. The reversal of 25113623534 is 43532631152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25113623494 and 25113623503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25113623533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506837 + ... + 554175.

It is an arithmetic number, because the mean of its divisors is an integer number (1238556420).

Almost surely, 2^25113623534 is an apocalyptic number.

25113623534 is a deficient number, since it is larger than the sum of its proper divisors (14520181906).

25113623534 is a wasteful number, since it uses less digits than its factorization.

25113623534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47552.

The product of its digits is 64800, while the sum is 35.

The spelling of 25113623534 in words is "twenty-five billion, one hundred thirteen million, six hundred twenty-three thousand, five hundred thirty-four".