111554051343 has 16 divisors (see below), whose sum is σ = 169999746816. Its totient is φ = 63740439360.

The previous prime is 111554051317. The next prime is 111554051369. The reversal of 111554051343 is 343150455111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111554051317) and next prime (111554051369).

It is not a de Polignac number, because 111554051343 - 2²² = 111549857039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111554051303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103003 + ... + 483443.

It is an arithmetic number, because the mean of its divisors is an integer number (10624984176).

Almost surely, 2^111554051343 is an apocalyptic number.

111554051343 is a deficient number, since it is larger than the sum of its proper divisors (58445695473).

111554051343 is a wasteful number, since it uses less digits than its factorization.

111554051343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394414.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 111554051343 in words is "one hundred eleven billion, five hundred fifty-four million, fifty-one thousand, three hundred forty-three".