9115981036077 has 16 divisors (see below), whose sum is σ = 12969624551360. Its totient is φ = 5678592365952.

The previous prime is 9115981036061. The next prime is 9115981036159. The reversal of 9115981036077 is 7706301895119.

It is a happy number.

It is not a de Polignac number, because 9115981036077 - 2⁴ = 9115981036061 is a prime.

It is a super-2 number, since 2×9115981036077² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9115981036577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095403318 + ... + 1095411639.

It is an arithmetic number, because the mean of its divisors is an integer number (810601534460).

Almost surely, 2^{9115981036077} is an apocalyptic number.

It is an amenable number.

9115981036077 is a deficient number, since it is larger than the sum of its proper divisors (3853643515283).

9115981036077 is a wasteful number, since it uses less digits than its factorization.

9115981036077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190815052.

The product of its (nonzero) digits is 2857680, while the sum is 57.

The spelling of 9115981036077 in words is "nine trillion, one hundred fifteen billion, nine hundred eighty-one million, thirty-six thousand, seventy-seven".