1156542252332 has 48 divisors (see below), whose sum is σ = 2169467338752. Its totient is φ = 537538417920.

The previous prime is 1156542252323. The next prime is 1156542252347. The reversal of 1156542252332 is 2332522456511.

It is a self number, because there is not a number n which added to its sum of digits gives 1156542252332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20193857 + ... + 20251047.

It is an arithmetic number, because the mean of its divisors is an integer number (45197236224).

Almost surely, 2^{1156542252332} is an apocalyptic number.

It is an amenable number.

1156542252332 is a deficient number, since it is larger than the sum of its proper divisors (1012925086420).

1156542252332 is a wasteful number, since it uses less digits than its factorization.

1156542252332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60878 (or 60876 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The spelling of 1156542252332 in words is "one trillion, one hundred fifty-six billion, five hundred forty-two million, two hundred fifty-two thousand, three hundred thirty-two".