26291161355 has 8 divisors (see below), whose sum is σ = 31553961264. Its totient is φ = 21029884000.

The previous prime is 26291161343. The next prime is 26291161357. The reversal of 26291161355 is 55316119262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26291161355 - 2⁴ = 26291161339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26291161357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342296 + ... + 412005.

It is an arithmetic number, because the mean of its divisors is an integer number (3944245158).

Almost surely, 2^26291161355 is an apocalyptic number.

26291161355 is a deficient number, since it is larger than the sum of its proper divisors (5262799909).

26291161355 is an equidigital number, since it uses as much as digits as its factorization.

26291161355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761277.

The product of its digits is 97200, while the sum is 41.

The spelling of 26291161355 in words is "twenty-six billion, two hundred ninety-one million, one hundred sixty-one thousand, three hundred fifty-five".