26811556122 has 32 divisors (see below), whose sum is σ = 59739281280. Its totient is φ = 7965236160.

The previous prime is 26811556081. The next prime is 26811556133. The reversal of 26811556122 is 22165511862.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 5924254 + ... + 5928777.

It is an arithmetic number, because the mean of its divisors is an integer number (1866852540).

Almost surely, 2^26811556122 is an apocalyptic number.

26811556122 is an abundant number, since it is smaller than the sum of its proper divisors (32927725158).

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

26811556122 is a wasteful number, since it uses less digits than its factorization.

26811556122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11853078.

The product of its digits is 57600, while the sum is 39.

The spelling of 26811556122 in words is "twenty-six billion, eight hundred eleven million, five hundred fifty-six thousand, one hundred twenty-two".