11266348278 has 16 divisors (see below), whose sum is σ = 22681921536. Its totient is φ = 3730578600.

The previous prime is 11266348271. The next prime is 11266348279. The reversal of 11266348278 is 87284366211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11266348271) 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, 6216726 + ... + 6218537.

It is an arithmetic number, because the mean of its divisors is an integer number (1417620096).

Almost surely, 2^11266348278 is an apocalyptic number.

11266348278 is an abundant number, since it is smaller than the sum of its proper divisors (11415573258).

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

11266348278 is a wasteful number, since it uses less digits than its factorization.

11266348278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12435419.

The product of its digits is 774144, while the sum is 48.

The spelling of 11266348278 in words is "eleven billion, two hundred sixty-six million, three hundred forty-eight thousand, two hundred seventy-eight".