11309251854 has 16 divisors (see below), whose sum is σ = 22749248592. Its totient is φ = 3747959808.

The previous prime is 11309251841. The next prime is 11309251859. The reversal of 11309251854 is 45815290311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11309251859) 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, 5446579 + ... + 5448654.

It is an arithmetic number, because the mean of its divisors is an integer number (1421828037).

Almost surely, 2^11309251854 is an apocalyptic number.

11309251854 is an abundant number, since it is smaller than the sum of its proper divisors (11439996738).

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

11309251854 is a wasteful number, since it uses less digits than its factorization.

11309251854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895411.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 11309251854 in words is "eleven billion, three hundred nine million, two hundred fifty-one thousand, eight hundred fifty-four".