1155746323968 has 40 divisors (see below), whose sum is σ = 3078980445288. Its totient is φ = 385248774144.

The previous prime is 1155746323961. The next prime is 1155746323999. The reversal of 1155746323968 is 8693236475511.

It is a happy number.

It is a super-2 number, since 2×1155746323968² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155746323961) 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, 376217971 + ... + 376221042.

Almost surely, 2^{1155746323968} is an apocalyptic number.

It is an amenable number.

1155746323968 is an abundant number, since it is smaller than the sum of its proper divisors (1923234121320).

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

1155746323968 is an frugal number, since it uses more digits than its factorization.

1155746323968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752439034 (or 752439018 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 60.

The spelling of 1155746323968 in words is "one trillion, one hundred fifty-five billion, seven hundred forty-six million, three hundred twenty-three thousand, nine hundred sixty-eight".