7485277218138 has 48 divisors (see below), whose sum is σ = 16909450721280. Its totient is φ = 2390085780768.

The previous prime is 7485277218121. The next prime is 7485277218157. The reversal of 7485277218138 is 8318127725847.

7485277218138 is a `hidden beast` number, since 7 + 4 + 8 + 527 + 7 + 21 + 81 + 3 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56388870 + ... + 56521457.

It is an arithmetic number, because the mean of its divisors is an integer number (352280223360).

Almost surely, 2^{7485277218138} is an apocalyptic number.

7485277218138 is an abundant number, since it is smaller than the sum of its proper divisors (9424173503142).

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

7485277218138 is a wasteful number, since it uses less digits than its factorization.

7485277218138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112910491 (or 112910488 counting only the distinct ones).

The product of its digits is 42147840, while the sum is 63.

The spelling of 7485277218138 in words is "seven trillion, four hundred eighty-five billion, two hundred seventy-seven million, two hundred eighteen thousand, one hundred thirty-eight".