25103534320 has 40 divisors (see below), whose sum is σ = 58549895424. Its totient is φ = 10009727232.

The previous prime is 25103534273. The next prime is 25103534321. The reversal of 25103534320 is 2343530152.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25103534321) 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, 469584 + ... + 520303.

Almost surely, 2^25103534320 is an apocalyptic number.

25103534320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25103534320 is an abundant number, since it is smaller than the sum of its proper divisors (33446361104).

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

25103534320 is a wasteful number, since it uses less digits than its factorization.

25103534320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990217 (or 990211 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 25103534320 in words is "twenty-five billion, one hundred three million, five hundred thirty-four thousand, three hundred twenty".