73130710111545 has 32 divisors (see below), whose sum is σ = 117214021572480. Its totient is φ = 38934809139200.

The previous prime is 73130710111517. The next prime is 73130710111577. The reversal of 73130710111545 is 54511101703137.

It is not a de Polignac number, because 73130710111545 - 2⁸ = 73130710111289 is a prime.

It is a super-3 number, since 3×73130710111545³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18047017 + ... + 21724553.

It is an arithmetic number, because the mean of its divisors is an integer number (3662938174140).

Almost surely, 2^{73130710111545} is an apocalyptic number.

It is an amenable number.

73130710111545 is a deficient number, since it is larger than the sum of its proper divisors (44083311460935).

73130710111545 is a wasteful number, since it uses less digits than its factorization.

73130710111545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679865.

The product of its (nonzero) digits is 44100, while the sum is 39.

The spelling of 73130710111545 in words is "seventy-three trillion, one hundred thirty billion, seven hundred ten million, one hundred eleven thousand, five hundred forty-five".