16125158015129 has 4 divisors (see below), whose sum is σ = 16468246483584. Its totient is φ = 15782069546676.

The previous prime is 16125158015111. The next prime is 16125158015143. The reversal of 16125158015129 is 92151085152161.

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 16125158015129 - 2⁸ = 16125158014873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 343088468407 = 16125158015129 / (1 + 6 + 1 + 2 + 5 + 1 + 5 + 8 + 0 + 1 + 5 + 1 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16125158075129) 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, 171544234157 + ... + 171544234250.

It is an arithmetic number, because the mean of its divisors is an integer number (4117061620896).

Almost surely, 2^{16125158015129} is an apocalyptic number.

It is an amenable number.

16125158015129 is a deficient number, since it is larger than the sum of its proper divisors (343088468455).

16125158015129 is an equidigital number, since it uses as much as digits as its factorization.

16125158015129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343088468454.

The product of its (nonzero) digits is 216000, while the sum is 47.

The spelling of 16125158015129 in words is "sixteen trillion, one hundred twenty-five billion, one hundred fifty-eight million, fifteen thousand, one hundred twenty-nine".