3511121136156 has 36 divisors (see below), whose sum is σ = 8887343974600. Its totient is φ = 1168789976928.

The previous prime is 3511121136143. The next prime is 3511121136167. The reversal of 3511121136156 is 6516311211153.

3511121136156 is a `hidden beast` number, since 3 + 5 + 1 + 1 + 1 + 21 + 13 + 615 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3511121136156² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3511121136156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65961991 + ... + 66015198.

Almost surely, 2^{3511121136156} is an apocalyptic number.

3511121136156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3511121136156 is an abundant number, since it is smaller than the sum of its proper divisors (5376222838444).

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

3511121136156 is a wasteful number, since it uses less digits than its factorization.

3511121136156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131977938 (or 131977933 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The spelling of 3511121136156 in words is "three trillion, five hundred eleven billion, one hundred twenty-one million, one hundred thirty-six thousand, one hundred fifty-six".