25113433620 has 96 divisors (see below), whose sum is σ = 78494169600. Its totient is φ = 5946514560.

The previous prime is 25113433567. The next prime is 25113433633. The reversal of 25113433620 is 2633431152.

It is a super-2 number, since 2×25113433620² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414070 + ... + 470829.

It is an arithmetic number, because the mean of its divisors is an integer number (817647600).

Almost surely, 2^25113433620 is an apocalyptic number.

25113433620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25113433620 is an abundant number, since it is smaller than the sum of its proper divisors (53380735980).

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

25113433620 is a wasteful number, since it uses less digits than its factorization.

25113433620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884965 (or 884963 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 25113433620 its reverse (2633431152), we get a palindrome (27746864772).

It can be divided in two parts, 2511 and 3433620, that added together give a triangular number (3436131 = T₂₆₂₁).

The spelling of 25113433620 in words is "twenty-five billion, one hundred thirteen million, four hundred thirty-three thousand, six hundred twenty".