25123558380 has 48 divisors (see below), whose sum is σ = 70777561344. Its totient is φ = 6658511040.

The previous prime is 25123558379. The next prime is 25123558417. The reversal of 25123558380 is 8385532152.

It is a happy number.

It is a super-3 number, since 3×25123558380³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274656 + ... + 1294215.

It is an arithmetic number, because the mean of its divisors is an integer number (1474532528).

Almost surely, 2^25123558380 is an apocalyptic number.

25123558380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25123558380 is an abundant number, since it is smaller than the sum of its proper divisors (45654002964).

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

25123558380 is a wasteful number, since it uses less digits than its factorization.

25123558380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569046 (or 2569044 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 25123558380 in words is "twenty-five billion, one hundred twenty-three million, five hundred fifty-eight thousand, three hundred eighty".