1145693815568 has 10 divisors (see below), whose sum is σ = 2219781767694. Its totient is φ = 572846907776.

The previous prime is 1145693815561. The next prime is 1145693815571. The reversal of 1145693815568 is 8655183965411.

It can be written as a sum of positive squares in only one way, i.e., 1092208927744 + 53484887824 = 1045088^2 + 231268^2 .

It is a super-2 number, since 2×1145693815568² (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 1145693815568.

It is not an unprimeable number, because it can be changed into a prime (1145693815561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35802931721 + ... + 35802931752.

Almost surely, 2^{1145693815568} is an apocalyptic number.

It is an amenable number.

1145693815568 is a deficient number, since it is larger than the sum of its proper divisors (1074087952126).

1145693815568 is an equidigital number, since it uses as much as digits as its factorization.

1145693815568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71605863481 (or 71605863475 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 62.

The spelling of 1145693815568 in words is "one trillion, one hundred forty-five billion, six hundred ninety-three million, eight hundred fifteen thousand, five hundred sixty-eight".