111414155551 has 8 divisors (see below), whose sum is σ = 112778371008. Its totient is φ = 110055060000.

The previous prime is 111414155549. The next prime is 111414155581. The reversal of 111414155551 is 155551414111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111414155551 - 2¹ = 111414155549 is a prime.

It is a super-2 number, since 2×111414155551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111414155581) 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, 1236180 + ... + 1323241.

It is an arithmetic number, because the mean of its divisors is an integer number (14097296376).

Almost surely, 2^111414155551 is an apocalyptic number.

111414155551 is a deficient number, since it is larger than the sum of its proper divisors (1364215457).

111414155551 is a wasteful number, since it uses less digits than its factorization.

111414155551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559953.

The product of its digits is 10000, while the sum is 34.

Adding to 111414155551 its reverse (155551414111), we get a palindrome (266965569662).

The spelling of 111414155551 in words is "one hundred eleven billion, four hundred fourteen million, one hundred fifty-five thousand, five hundred fifty-one".