14156511778434 has 32 divisors (see below), whose sum is σ = 29803466808000. Its totient is φ = 4470434786304.

The previous prime is 14156511778429. The next prime is 14156511778471. The reversal of 14156511778434 is 43487711565141.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 12727762 + ... + 13795250.

It is an arithmetic number, because the mean of its divisors is an integer number (931358337750).

Almost surely, 2^{14156511778434} is an apocalyptic number.

14156511778434 is an abundant number, since it is smaller than the sum of its proper divisors (15646955029566).

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

14156511778434 is a wasteful number, since it uses less digits than its factorization.

14156511778434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183842.

The product of its digits is 11289600, while the sum is 57.

The spelling of 14156511778434 in words is "fourteen trillion, one hundred fifty-six billion, five hundred eleven million, seven hundred seventy-eight thousand, four hundred thirty-four".