14911538851 has 4 divisors (see below), whose sum is σ = 16267133304. Its totient is φ = 13555944400.

The previous prime is 14911538819. The next prime is 14911538861. The reversal of 14911538851 is 15883511941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14911538851 - 2⁵ = 14911538819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14911538861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677797210 + ... + 677797231.

It is an arithmetic number, because the mean of its divisors is an integer number (4066783326).

Almost surely, 2^14911538851 is an apocalyptic number.

14911538851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14911538851 is a deficient number, since it is larger than the sum of its proper divisors (1355594453).

14911538851 is a wasteful number, since it uses less digits than its factorization.

14911538851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355594452.

The product of its digits is 172800, while the sum is 46.

The spelling of 14911538851 in words is "fourteen billion, nine hundred eleven million, five hundred thirty-eight thousand, eight hundred fifty-one".