15606606111051 has 4 divisors (see below), whose sum is σ = 20808808148072. Its totient is φ = 10404404074032.

The previous prime is 15606606111029. The next prime is 15606606111059. The reversal of 15606606111051 is 15011160660651.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15606606111051 - 2⁹ = 15606606110539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15606606111059) 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, 2601101018506 + ... + 2601101018511.

It is an arithmetic number, because the mean of its divisors is an integer number (5202202037018).

Almost surely, 2^{15606606111051} is an apocalyptic number.

15606606111051 is a deficient number, since it is larger than the sum of its proper divisors (5202202037021).

15606606111051 is an equidigital number, since it uses as much as digits as its factorization.

15606606111051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202202037020.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 15606606111051 in words is "fifteen trillion, six hundred six billion, six hundred six million, one hundred eleven thousand, fifty-one".