11287078254 has 24 divisors (see below), whose sum is σ = 24463398960. Its totient is φ = 3761119008.

The previous prime is 11287078223. The next prime is 11287078267. The reversal of 11287078254 is 45287078211.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46407 + ... + 157250.

It is an arithmetic number, because the mean of its divisors is an integer number (1019308290).

Almost surely, 2^11287078254 is an apocalyptic number.

11287078254 is an abundant number, since it is smaller than the sum of its proper divisors (13176320706).

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

11287078254 is a wasteful number, since it uses less digits than its factorization.

11287078254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206744 (or 206741 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 11287078254 in words is "eleven billion, two hundred eighty-seven million, seventy-eight thousand, two hundred fifty-four".