1183450974321 has 64 divisors (see below), whose sum is σ = 1991780683776. Its totient is φ = 607175136000.

The previous prime is 1183450974263. The next prime is 1183450974337. The reversal of 1183450974321 is 1234790543811.

It is not a de Polignac number, because 1183450974321 - 2¹¹ = 1183450972273 is a prime.

It is a super-2 number, since 2×1183450974321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1183450974421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5936355 + ... + 6132471.

It is an arithmetic number, because the mean of its divisors is an integer number (31121573184).

Almost surely, 2^{1183450974321} is an apocalyptic number.

1183450974321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1183450974321 is a deficient number, since it is larger than the sum of its proper divisors (808329709455).

1183450974321 is a wasteful number, since it uses less digits than its factorization.

1183450974321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196462.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1183450974321 in words is "one trillion, one hundred eighty-three billion, four hundred fifty million, nine hundred seventy-four thousand, three hundred twenty-one".