7157145519490 has 48 divisors (see below), whose sum is σ = 13688140015872. Its totient is φ = 2693886707456.

The previous prime is 7157145519457. The next prime is 7157145519521. The reversal of 7157145519490 is 949155417517.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13575759 + ... + 14093101.

It is an arithmetic number, because the mean of its divisors is an integer number (285169583664).

Almost surely, 2^{7157145519490} is an apocalyptic number.

7157145519490 is a deficient number, since it is larger than the sum of its proper divisors (6530994496382).

7157145519490 is a wasteful number, since it uses less digits than its factorization.

7157145519490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522171 (or 522154 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 58.

The spelling of 7157145519490 in words is "seven trillion, one hundred fifty-seven billion, one hundred forty-five million, five hundred nineteen thousand, four hundred ninety".