111254461051 has 4 divisors (see below), whose sum is σ = 111335848272. Its totient is φ = 111173073832.

The previous prime is 111254461001. The next prime is 111254461091. The reversal of 111254461051 is 150164452111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111254461051 - 2⁹ = 111254460539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111254461001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40691560 + ... + 40694293.

It is an arithmetic number, because the mean of its divisors is an integer number (27833962068).

Almost surely, 2^111254461051 is an apocalyptic number.

111254461051 is a deficient number, since it is larger than the sum of its proper divisors (81387221).

111254461051 is an equidigital number, since it uses as much as digits as its factorization.

111254461051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81387220.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 111254461051 in words is "one hundred eleven billion, two hundred fifty-four million, four hundred sixty-one thousand, fifty-one".