25415010550 has 48 divisors (see below), whose sum is σ = 48870300672. Its totient is φ = 9823255200.

The previous prime is 25415010539. The next prime is 25415010559. The reversal of 25415010550 is 5501051452.

It is a super-2 number, since 2×25415010550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25415010559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1046647 + ... + 1070653.

It is an arithmetic number, because the mean of its divisors is an integer number (1018131264).

Almost surely, 2^25415010550 is an apocalyptic number.

25415010550 is a deficient number, since it is larger than the sum of its proper divisors (23455290122).

25415010550 is a wasteful number, since it uses less digits than its factorization.

25415010550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24733 (or 24728 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 25415010550 in words is "twenty-five billion, four hundred fifteen million, ten thousand, five hundred fifty".