25103699420 has 12 divisors (see below), whose sum is σ = 52717768824. Its totient is φ = 10041479760.

The previous prime is 25103699407. The next prime is 25103699447. The reversal of 25103699420 is 2499630152.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 627592466 + ... + 627592505.

It is an arithmetic number, because the mean of its divisors is an integer number (4393147402).

Almost surely, 2^25103699420 is an apocalyptic number.

25103699420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25103699420 is an abundant number, since it is smaller than the sum of its proper divisors (27614069404).

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

25103699420 is a wasteful number, since it uses less digits than its factorization.

25103699420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255184980 (or 1255184978 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 25103699420 in words is "twenty-five billion, one hundred three million, six hundred ninety-nine thousand, four hundred twenty".