20150564712031 has 16 divisors (see below), whose sum is σ = 21719497282560. Its totient is φ = 18584332335360.

The previous prime is 20150564712013. The next prime is 20150564712041. The reversal of 20150564712031 is 13021746505102.

It is a cyclic number.

It is not a de Polignac number, because 20150564712031 - 2⁵ = 20150564711999 is a prime.

It is a super-2 number, since 2×20150564712031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150564712001) 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 15 ways as a sum of consecutive naturals, for example, 502951906 + ... + 502991968.

It is an arithmetic number, because the mean of its divisors is an integer number (1357468580160).

Almost surely, 2^{20150564712031} is an apocalyptic number.

20150564712031 is a deficient number, since it is larger than the sum of its proper divisors (1568932570529).

20150564712031 is a wasteful number, since it uses less digits than its factorization.

20150564712031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72786.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 20150564712031 in words is "twenty trillion, one hundred fifty billion, five hundred sixty-four million, seven hundred twelve thousand, thirty-one".