1155042142976 has 36 divisors (see below), whose sum is σ = 2305732969512. Its totient is φ = 577480851456.

The previous prime is 1155042142937. The next prime is 1155042142979. The reversal of 1155042142976 is 6792412405511.

It is a super-2 number, since 2×1155042142976² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1155042142976.

It is not an unprimeable number, because it can be changed into a prime (1155042142979) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3711680 + ... + 4010816.

It is an arithmetic number, because the mean of its divisors is an integer number (64048138042).

Almost surely, 2^{1155042142976} is an apocalyptic number.

1155042142976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1155042142976 is a deficient number, since it is larger than the sum of its proper divisors (1150690826536).

1155042142976 is an equidigital number, since it uses as much as digits as its factorization.

1155042142976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314236 (or 314222 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 1155042142976 in words is "one trillion, one hundred fifty-five billion, forty-two million, one hundred forty-two thousand, nine hundred seventy-six".