11612111742 has 48 divisors (see below), whose sum is σ = 31367786112. Its totient is φ = 3016132560.

The previous prime is 11612111723. The next prime is 11612111759. The reversal of 11612111742 is 24711121611.

11612111742 is a `hidden beast` number, since 1 + 1 + 612 + 1 + 1 + 1 + 7 + 42 = 666.

11612111742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11612111742² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4187688 + ... + 4190459.

It is an arithmetic number, because the mean of its divisors is an integer number (653495544).

Almost surely, 2^11612111742 is an apocalyptic number.

11612111742 is an abundant number, since it is smaller than the sum of its proper divisors (19755674370).

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

11612111742 is a wasteful number, since it uses less digits than its factorization.

11612111742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378173 (or 8378170 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The spelling of 11612111742 in words is "eleven billion, six hundred twelve million, one hundred eleven thousand, seven hundred forty-two".