7745211138020 has 48 divisors (see below), whose sum is σ = 16315089966336. Its totient is φ = 3088533888000.

The previous prime is 7745211138019. The next prime is 7745211138037. The reversal of 7745211138020 is 208311125477.

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, 162040325 + ... + 162088115.

It is an arithmetic number, because the mean of its divisors is an integer number (339897707632).

Almost surely, 2^{7745211138020} is an apocalyptic number.

It is an amenable number.

7745211138020 is an abundant number, since it is smaller than the sum of its proper divisors (8569878828316).

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

7745211138020 is a wasteful number, since it uses less digits than its factorization.

7745211138020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72612 (or 72610 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 7745211138020 in words is "seven trillion, seven hundred forty-five billion, two hundred eleven million, one hundred thirty-eight thousand, twenty".