181301534131044 has 96 divisors (see below), whose sum is σ = 429901470028800. Its totient is φ = 59455542706560.

The previous prime is 181301534131021. The next prime is 181301534131051. The reversal of 181301534131044 is 440131435103181.

It is a super-2 number, since 2×181301534131044² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 181301534130993 and 181301534131011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2876446522 + ... + 2876509550.

It is an arithmetic number, because the mean of its divisors is an integer number (4478140312800).

Almost surely, 2^{181301534131044} is an apocalyptic number.

It is an amenable number.

181301534131044 is an abundant number, since it is smaller than the sum of its proper divisors (248599935897756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

181301534131044 is a wasteful number, since it uses less digits than its factorization.

181301534131044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67633 (or 67631 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 181301534131044 in words is "one hundred eighty-one trillion, three hundred one billion, five hundred thirty-four million, one hundred thirty-one thousand, forty-four".