26116222515450 has 48 divisors (see below), whose sum is σ = 64775172040320. Its totient is φ = 6963579745920.

The previous prime is 26116222515371. The next prime is 26116222515457. The reversal of 26116222515450 is 5451522261162.

It is not an unprimeable number, because it can be changed into a prime (26116222515457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7923010 + ... + 10724109.

It is an arithmetic number, because the mean of its divisors is an integer number (1349482750840).

Almost surely, 2^{26116222515450} is an apocalyptic number.

26116222515450 is an abundant number, since it is smaller than the sum of its proper divisors (38658949524870).

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

26116222515450 is a wasteful number, since it uses less digits than its factorization.

26116222515450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18656471 (or 18656466 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 26116222515450 in words is "twenty-six trillion, one hundred sixteen billion, two hundred twenty-two million, five hundred fifteen thousand, four hundred fifty".