11111512672080 has 120 divisors (see below), whose sum is σ = 37841743330560. Its totient is φ = 2921336651520.

The previous prime is 11111512672069. The next prime is 11111512672087. The reversal of 11111512672080 is 8027621511111.

It is a happy number.

11111512672080 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 1 + 512 + 67 + 2 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×11111512672080² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111512672087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108629560 + ... + 108731799.

It is an arithmetic number, because the mean of its divisors is an integer number (315347861088).

Almost surely, 2^{11111512672080} is an apocalyptic number.

11111512672080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111512672080 is an abundant number, since it is smaller than the sum of its proper divisors (26730230658480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111512672080 is a wasteful number, since it uses less digits than its factorization.

11111512672080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217361449 (or 217361440 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 36.

The spelling of 11111512672080 in words is "eleven trillion, one hundred eleven billion, five hundred twelve million, six hundred seventy-two thousand, eighty".