1545668407131 has 16 divisors (see below), whose sum is σ = 2069622835200. Its totient is φ = 1026080245568.

The previous prime is 1545668407069. The next prime is 1545668407141. The reversal of 1545668407131 is 1317048665451.

It is a cyclic number.

It is not a de Polignac number, because 1545668407131 - 2²⁹ = 1545131536219 is a prime.

It is a super-2 number, since 2×1545668407131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1545668407141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17334895 + ... + 17423831.

It is an arithmetic number, because the mean of its divisors is an integer number (129351427200).

Almost surely, 2^{1545668407131} is an apocalyptic number.

1545668407131 is a deficient number, since it is larger than the sum of its proper divisors (523954428069).

1545668407131 is a wasteful number, since it uses less digits than its factorization.

1545668407131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113418.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 1545668407131 in words is "one trillion, five hundred forty-five billion, six hundred sixty-eight million, four hundred seven thousand, one hundred thirty-one".