518376902225 has 48 divisors (see below), whose sum is σ = 791250690048. Its totient is φ = 328062493440.

The previous prime is 518376902203. The next prime is 518376902249. The reversal of 518376902225 is 522209673815.

It is a happy number.

It is not a de Polignac number, because 518376902225 - 2⁶ = 518376902161 is a prime.

It is a super-2 number, since 2×518376902225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17905712 + ... + 17934638.

It is an arithmetic number, because the mean of its divisors is an integer number (16484389376).

Almost surely, 2^518376902225 is an apocalyptic number.

It is an amenable number.

518376902225 is a deficient number, since it is larger than the sum of its proper divisors (272873787823).

518376902225 is a wasteful number, since it uses less digits than its factorization.

518376902225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36834 (or 36829 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 518376902225 in words is "five hundred eighteen billion, three hundred seventy-six million, nine hundred two thousand, two hundred twenty-five".