111414142154 has 16 divisors (see below), whose sum is σ = 191001872448. Its totient is φ = 47747368032.

The previous prime is 111414142127. The next prime is 111414142181. The reversal of 111414142154 is 451241414111.

It is an interprime number because it is at equal distance from previous prime (111414142127) and next prime (111414142181).

It is a super-2 number, since 2×111414142154² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389249 + ... + 611835.

It is an arithmetic number, because the mean of its divisors is an integer number (11937617028).

Almost surely, 2^111414142154 is an apocalyptic number.

111414142154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111414142154 is a deficient number, since it is larger than the sum of its proper divisors (79587730294).

111414142154 is a wasteful number, since it uses less digits than its factorization.

111414142154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258349.

The product of its digits is 2560, while the sum is 29.

Adding to 111414142154 its reverse (451241414111), we get a palindrome (562655556265).

The spelling of 111414142154 in words is "one hundred eleven billion, four hundred fourteen million, one hundred forty-two thousand, one hundred fifty-four".