111523010055 has 32 divisors (see below), whose sum is σ = 179653828608. Its totient is φ = 59074252800.

The previous prime is 111523010017. The next prime is 111523010063. The reversal of 111523010055 is 550010325111.

It is not a de Polignac number, because 111523010055 - 2¹⁴ = 111522993671 is a prime.

It is a super-2 number, since 2×111523010055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1806102 + ... + 1866828.

It is an arithmetic number, because the mean of its divisors is an integer number (5614182144).

Almost surely, 2^111523010055 is an apocalyptic number.

111523010055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111523010055 is a deficient number, since it is larger than the sum of its proper divisors (68130818553).

111523010055 is a wasteful number, since it uses less digits than its factorization.

111523010055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61567.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 111523010055 its reverse (550010325111), we get a palindrome (661533335166).

The spelling of 111523010055 in words is "one hundred eleven billion, five hundred twenty-three million, ten thousand, fifty-five".