15055796189591 has 4 divisors (see below), whose sum is σ = 15057581964384. Its totient is φ = 15054010414800.

The previous prime is 15055796189557. The next prime is 15055796189617. The reversal of 15055796189591 is 19598169755051.

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-15055796189591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15055796189891) 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, 892874750 + ... + 892891611.

It is an arithmetic number, because the mean of its divisors is an integer number (3764395491096).

Almost surely, 2^{15055796189591} is an apocalyptic number.

15055796189591 is a deficient number, since it is larger than the sum of its proper divisors (1785774793).

15055796189591 is an equidigital number, since it uses as much as digits as its factorization.

15055796189591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785774792.

The product of its (nonzero) digits is 153090000, while the sum is 71.

The spelling of 15055796189591 in words is "fifteen trillion, fifty-five billion, seven hundred ninety-six million, one hundred eighty-nine thousand, five hundred ninety-one".