26401616311 has 8 divisors (see below), whose sum is σ = 30874980224. Its totient is φ = 22103678520.

The previous prime is 26401616287. The next prime is 26401616317. The reversal of 26401616311 is 11361610462.

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

It is not a de Polignac number, because 26401616311 - 2⁵ = 26401616279 is a prime.

It is a super-2 number, since 2×26401616311² (a number of 22 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 (26401616317) 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, 43856205 + ... + 43856806.

It is an arithmetic number, because the mean of its divisors is an integer number (3859372528).

Almost surely, 2^26401616311 is an apocalyptic number.

26401616311 is a deficient number, since it is larger than the sum of its proper divisors (4473363913).

26401616311 is an equidigital number, since it uses as much as digits as its factorization.

26401616311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87713061.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 26401616311 in words is "twenty-six billion, four hundred one million, six hundred sixteen thousand, three hundred eleven".