26311216015266 has 32 divisors (see below), whose sum is σ = 64766070192768. Its totient is φ = 6939221806080.

The previous prime is 26311216015223. The next prime is 26311216015291. The reversal of 26311216015266 is 66251061211362.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24094519615 + ... + 24094520706.

It is an arithmetic number, because the mean of its divisors is an integer number (2023939693524).

Almost surely, 2^{26311216015266} is an apocalyptic number.

26311216015266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26311216015266 is an abundant number, since it is smaller than the sum of its proper divisors (38454854177502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26311216015266 is a wasteful number, since it uses less digits than its factorization.

26311216015266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48189040346.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 26311216015266 in words is "twenty-six trillion, three hundred eleven billion, two hundred sixteen million, fifteen thousand, two hundred sixty-six".