15791181475103 has 4 divisors (see below), whose sum is σ = 15798086235360. Its totient is φ = 15784276714848.

The previous prime is 15791181475081. The next prime is 15791181475117. The reversal of 15791181475103 is 30157418119751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15791181475103 is a prime.

It is a super-2 number, since 2×15791181475103² (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 (15791181477103) 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, 3452376698 + ... + 3452381271.

It is an arithmetic number, because the mean of its divisors is an integer number (3949521558840).

Almost surely, 2^{15791181475103} is an apocalyptic number.

15791181475103 is a deficient number, since it is larger than the sum of its proper divisors (6904760257).

15791181475103 is an equidigital number, since it uses as much as digits as its factorization.

15791181475103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904760256.

The product of its (nonzero) digits is 1058400, while the sum is 53.

The spelling of 15791181475103 in words is "fifteen trillion, seven hundred ninety-one billion, one hundred eighty-one million, four hundred seventy-five thousand, one hundred three".