1145612607401 has 4 divisors (see below), whose sum is σ = 1149272711892. Its totient is φ = 1141952502912.

The previous prime is 1145612607323. The next prime is 1145612607449. The reversal of 1145612607401 is 1047062165411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 457544016400 + 688068591001 = 676420^2 + 829499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145612607401 is a prime.

It is a super-2 number, since 2×1145612607401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145612607301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1830051776 + ... + 1830052401.

It is an arithmetic number, because the mean of its divisors is an integer number (287318177973).

Almost surely, 2^{1145612607401} is an apocalyptic number.

It is an amenable number.

1145612607401 is a deficient number, since it is larger than the sum of its proper divisors (3660104491).

1145612607401 is an equidigital number, since it uses as much as digits as its factorization.

1145612607401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660104490.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 1145612607401 in words is "one trillion, one hundred forty-five billion, six hundred twelve million, six hundred seven thousand, four hundred one".