7111085642465 has 24 divisors (see below), whose sum is σ = 9926658037800. Its totient is φ = 4876092953088.

The previous prime is 7111085642461. The next prime is 7111085642473. The reversal of 7111085642465 is 5642465801117.

It can be written as a sum of positive squares in 4 ways, for example, as 709922519761 + 6401163122704 = 842569^2 + 2530052^2 .

It is not a de Polignac number, because 7111085642465 - 2² = 7111085642461 is a prime.

It is a super-2 number, since 2×7111085642465² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7111085642461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17362361 + ... + 17767209.

It is an arithmetic number, because the mean of its divisors is an integer number (413610751575).

Almost surely, 2^{7111085642465} is an apocalyptic number.

It is an amenable number.

7111085642465 is a deficient number, since it is larger than the sum of its proper divisors (2815572395335).

7111085642465 is a wasteful number, since it uses less digits than its factorization.

7111085642465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476561 (or 476554 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 7111085642465 in words is "seven trillion, one hundred eleven billion, eighty-five million, six hundred forty-two thousand, four hundred sixty-five".