1161881242724 has 12 divisors (see below), whose sum is σ = 2042410078464. Its totient is φ = 578335506024.

The previous prime is 1161881242649. The next prime is 1161881242727. The reversal of 1161881242724 is 4272421881611.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1161881242727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651277832 + ... + 651279615.

It is an arithmetic number, because the mean of its divisors is an integer number (170200839872).

Almost surely, 2^{1161881242724} is an apocalyptic number.

It is an amenable number.

1161881242724 is a deficient number, since it is larger than the sum of its proper divisors (880528835740).

1161881242724 is a wasteful number, since it uses less digits than its factorization.

1161881242724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302557674 (or 1302557672 counting only the distinct ones).

The product of its digits is 344064, while the sum is 47.

The spelling of 1161881242724 in words is "one trillion, one hundred sixty-one billion, eight hundred eighty-one million, two hundred forty-two thousand, seven hundred twenty-four".