12111137203758 has 96 divisors (see below), whose sum is σ = 26253488096640. Its totient is φ = 3714298623360.

The previous prime is 12111137203747. The next prime is 12111137203801. The reversal of 12111137203758 is 85730273111121.

It is a super-2 number, since 2×12111137203758² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84359985 + ... + 84503427.

It is an arithmetic number, because the mean of its divisors is an integer number (273473834340).

Almost surely, 2^{12111137203758} is an apocalyptic number.

12111137203758 is an abundant number, since it is smaller than the sum of its proper divisors (14142350892882).

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

12111137203758 is a wasteful number, since it uses less digits than its factorization.

12111137203758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144082 (or 144045 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 12111137203758 in words is "twelve trillion, one hundred eleven billion, one hundred thirty-seven million, two hundred three thousand, seven hundred fifty-eight".