11143656377 has 48 divisors (see below), whose sum is σ = 14113975680. Its totient is φ = 8602809600.

The previous prime is 11143656373. The next prime is 11143656409. The reversal of 11143656377 is 77365634111.

It is not a de Polignac number, because 11143656377 - 2² = 11143656373 is a prime.

It is a super-2 number, since 2×11143656377² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11143656373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4401602 + ... + 4404132.

It is an arithmetic number, because the mean of its divisors is an integer number (294041160).

Almost surely, 2^11143656377 is an apocalyptic number.

It is an amenable number.

11143656377 is a deficient number, since it is larger than the sum of its proper divisors (2970319303).

11143656377 is a wasteful number, since it uses less digits than its factorization.

11143656377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2631 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The spelling of 11143656377 in words is "eleven billion, one hundred forty-three million, six hundred fifty-six thousand, three hundred seventy-seven".