1131156145252 has 24 divisors (see below), whose sum is σ = 2262729150080. Its totient is φ = 484691878080.

The previous prime is 1131156145199. The next prime is 1131156145271. The reversal of 1131156145252 is 2525416511311.

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, 3567177 + ... + 3871312.

Almost surely, 2^{1131156145252} is an apocalyptic number.

It is an amenable number.

1131156145252 is an abundant number, since it is smaller than the sum of its proper divisors (1131573004828).

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

1131156145252 is a wasteful number, since it uses less digits than its factorization.

1131156145252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7443931 (or 7443929 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The spelling of 1131156145252 in words is "one trillion, one hundred thirty-one billion, one hundred fifty-six million, one hundred forty-five thousand, two hundred fifty-two".