15791357011 has 4 divisors (see below), whose sum is σ = 15791996224. Its totient is φ = 15790717800.

The previous prime is 15791356991. The next prime is 15791357017. The reversal of 15791357011 is 11075319751.

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

It is a 3-Lehmer number, since φ(15791357011) divides (15791357011-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15791357011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15791357017) 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, 280995 + ... + 332476.

It is an arithmetic number, because the mean of its divisors is an integer number (3947999056).

Almost surely, 2^15791357011 is an apocalyptic number.

15791357011 is the 56199-th centered decagonal number.

15791357011 is a deficient number, since it is larger than the sum of its proper divisors (639213).

15791357011 is an equidigital number, since it uses as much as digits as its factorization.

15791357011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639212.

The product of its (nonzero) digits is 33075, while the sum is 40.

The spelling of 15791357011 in words is "fifteen billion, seven hundred ninety-one million, three hundred fifty-seven thousand, eleven".