11778142062 has 16 divisors (see below), whose sum is σ = 24941948112. Its totient is φ = 3695103360.

The previous prime is 11778141961. The next prime is 11778142171. The reversal of 11778142062 is 26024187711.

It is a super-2 number, since 2×11778142062² (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 11778142062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57735889 + ... + 57736092.

It is an arithmetic number, because the mean of its divisors is an integer number (1558871757).

Almost surely, 2^11778142062 is an apocalyptic number.

11778142062 is an abundant number, since it is smaller than the sum of its proper divisors (13163806050).

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

11778142062 is a wasteful number, since it uses less digits than its factorization.

11778142062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115472003.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 11778142062 in words is "eleven billion, seven hundred seventy-eight million, one hundred forty-two thousand, sixty-two".