1133781531564 has 48 divisors (see below), whose sum is σ = 2905101916416. Its totient is φ = 341294856000.

The previous prime is 1133781531541. The next prime is 1133781531661. The reversal of 1133781531564 is 4651351873311.

It is a super-2 number, since 2×1133781531564² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28421307 + ... + 28461170.

It is an arithmetic number, because the mean of its divisors is an integer number (60522956592).

Almost surely, 2^{1133781531564} is an apocalyptic number.

It is an amenable number.

1133781531564 is an abundant number, since it is smaller than the sum of its proper divisors (1771320384852).

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

1133781531564 is a wasteful number, since it uses less digits than its factorization.

1133781531564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56882646 (or 56882644 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The spelling of 1133781531564 in words is "one trillion, one hundred thirty-three billion, seven hundred eighty-one million, five hundred thirty-one thousand, five hundred sixty-four".