6111216045 has 32 divisors (see below), whose sum is σ = 11852058240. Its totient is φ = 2963013120.

The previous prime is 6111216017. The next prime is 6111216053. The reversal of 6111216045 is 5406121116.

6111216045 is a `hidden beast` number, since 611 + 1 + 2 + 1 + 6 + 0 + 45 = 666.

It is not a de Polignac number, because 6111216045 - 2⁹ = 6111215533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2056164 + ... + 2059133.

It is an arithmetic number, because the mean of its divisors is an integer number (370376820).

Almost surely, 2^6111216045 is an apocalyptic number.

It is an amenable number.

6111216045 is a deficient number, since it is larger than the sum of its proper divisors (5740842195).

6111216045 is a wasteful number, since it uses less digits than its factorization.

6111216045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115322 (or 4115316 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 6111216045 is about 78174.2671535845. The cubic root of 6111216045 is about 1828.2793151525.

The spelling of 6111216045 in words is "six billion, one hundred eleven million, two hundred sixteen thousand, forty-five".