77111122115 has 8 divisors (see below), whose sum is σ = 92685793920. Its totient is φ = 61587266112.

The previous prime is 77111122051. The next prime is 77111122117. The reversal of 77111122115 is 51122111177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77111122115 - 2⁶ = 77111122051 is a prime.

It is a super-2 number, since 2×77111122115² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77111122117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12700610 + ... + 12706679.

It is an arithmetic number, because the mean of its divisors is an integer number (11585724240).

Almost surely, 2^77111122115 is an apocalyptic number.

77111122115 is a deficient number, since it is larger than the sum of its proper divisors (15574671805).

77111122115 is a wasteful number, since it uses less digits than its factorization.

77111122115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25407901.

The product of its digits is 980, while the sum is 29.

The spelling of 77111122115 in words is "seventy-seven billion, one hundred eleven million, one hundred twenty-two thousand, one hundred fifteen".