11942156374 has 8 divisors (see below), whose sum is σ = 18856036440. Its totient is φ = 5656810896.

The previous prime is 11942156363. The next prime is 11942156383. The reversal of 11942156374 is 47365124911.

It is a happy number.

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

It is a super-2 number, since 2×11942156374² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11942156374.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157133599 + ... + 157133674.

It is an arithmetic number, because the mean of its divisors is an integer number (2357004555).

Almost surely, 2^11942156374 is an apocalyptic number.

11942156374 is a deficient number, since it is larger than the sum of its proper divisors (6913880066).

11942156374 is a wasteful number, since it uses less digits than its factorization.

11942156374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314267294.

The product of its digits is 181440, while the sum is 43.

The spelling of 11942156374 in words is "eleven billion, nine hundred forty-two million, one hundred fifty-six thousand, three hundred seventy-four".