7161020893465 has 32 divisors (see below), whose sum is σ = 9211714256160. Its totient is φ = 5325127680000.

The previous prime is 7161020893427. The next prime is 7161020893489. The reversal of 7161020893465 is 5643980201617.

It can be written as a sum of positive squares in 16 ways, for example, as 10702109401 + 7150318784064 = 103451^2 + 2674008^2 .

It is not a de Polignac number, because 7161020893465 - 2⁷ = 7161020893337 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 2402521 + ... + 4482649.

It is an arithmetic number, because the mean of its divisors is an integer number (287866070505).

It is a 1-persistent number, because it is pandigital, but 2⋅7161020893465 = 14322041786930 is not.

Almost surely, 2^{7161020893465} is an apocalyptic number.

It is an amenable number.

7161020893465 is a deficient number, since it is larger than the sum of its proper divisors (2050693362695).

7161020893465 is a wasteful number, since it uses less digits than its factorization.

7161020893465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080653.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 7161020893465 in words is "seven trillion, one hundred sixty-one billion, twenty million, eight hundred ninety-three thousand, four hundred sixty-five".