111254935401 has 15 divisors (see below), whose sum is σ = 166200128743. Its totient is φ = 74167955640.

The previous prime is 111254935381. The next prime is 111254935417. The reversal of 111254935401 is 104539452111.

The square root of 111254935401 is 333549.

It is a perfect power (a square), and thus also a powerful number.

111254935401 is a `hidden beast` number, since 1 + 1 + 1 + 25 + 4 + 93 + 540 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100014695001 + 11240240400 = 316251^2 + 106020^2 .

It is not a de Polignac number, because 111254935401 - 2⁷ = 111254935273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111254935501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2983411 + ... + 3020471.

Almost surely, 2^111254935401 is an apocalyptic number.

111254935401 is the 333549-th square number.

111254935401 is the 166775-th centered octagonal number.

It is an amenable number.

111254935401 is a deficient number, since it is larger than the sum of its proper divisors (54945193342).

111254935401 is an frugal number, since it uses more digits than its factorization.

111254935401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74134 (or 37064 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

Multiplying 111254935401 by its sum of digits (36), we get a square (4005177674436 = 2001294²).

The spelling of 111254935401 in words is "one hundred eleven billion, two hundred fifty-four million, nine hundred thirty-five thousand, four hundred one".