16231150520061 has 4 divisors (see below), whose sum is σ = 21641534026752. Its totient is φ = 10820767013372.

The previous prime is 16231150520047. The next prime is 16231150520069. The reversal of 16231150520061 is 16002505113261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16231150520061 - 2¹¹ = 16231150518013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231150520069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2705191753341 + ... + 2705191753346.

It is an arithmetic number, because the mean of its divisors is an integer number (5410383506688).

Almost surely, 2^{16231150520061} is an apocalyptic number.

It is an amenable number.

16231150520061 is a deficient number, since it is larger than the sum of its proper divisors (5410383506691).

16231150520061 is an equidigital number, since it uses as much as digits as its factorization.

16231150520061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410383506690.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 16231150520061 in words is "sixteen trillion, two hundred thirty-one billion, one hundred fifty million, five hundred twenty thousand, sixty-one".