30880539391545 has 12 divisors (see below), whose sum is σ = 53526268278756. Its totient is φ = 16469621008800.

The previous prime is 30880539391529. The next prime is 30880539391561. The reversal of 30880539391545 is 54519393508803.

It is a happy number.

30880539391545 is a `hidden beast` number, since 3 + 0 + 8 + 8 + 0 + 53 + 9 + 39 + 1 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (30880539391529) and next prime (30880539391561).

It can be written as a sum of positive squares in 2 ways, for example, as 13526624756736 + 17353914634809 = 3677856^2 + 4165803^2 .

It is not a de Polignac number, because 30880539391545 - 2⁴ = 30880539391529 is a prime.

It is a super-2 number, since 2×30880539391545² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343117104306 + ... + 343117104395.

It is an arithmetic number, because the mean of its divisors is an integer number (4460522356563).

Almost surely, 2^{30880539391545} is an apocalyptic number.

It is an amenable number.

30880539391545 is a deficient number, since it is larger than the sum of its proper divisors (22645728887211).

30880539391545 is a wasteful number, since it uses less digits than its factorization.

30880539391545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686234208712 (or 686234208709 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 63.

The spelling of 30880539391545 in words is "thirty trillion, eight hundred eighty billion, five hundred thirty-nine million, three hundred ninety-one thousand, five hundred forty-five".