1133512404156 has 72 divisors (see below), whose sum is σ = 3127789636608. Its totient is φ = 343264068000.

The previous prime is 1133512404149. The next prime is 1133512404163. The reversal of 1133512404156 is 6514042153311.

1133512404156 is a `hidden beast` number, since 1 + 13 + 3 + 512 + 40 + 41 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (1133512404149) and next prime (1133512404163).

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 1133512404156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328540 + ... + 1541091.

Almost surely, 2^{1133512404156} is an apocalyptic number.

It is an amenable number.

1133512404156 is an abundant number, since it is smaller than the sum of its proper divisors (1994277232452).

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

1133512404156 is a wasteful number, since it uses less digits than its factorization.

1133512404156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871183 (or 1871178 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 1133512404156 its reverse (6514042153311), we get a palindrome (7647554557467).

The spelling of 1133512404156 in words is "one trillion, one hundred thirty-three billion, five hundred twelve million, four hundred four thousand, one hundred fifty-six".