111402503053 has 4 divisors (see below), whose sum is σ = 111782716668. Its totient is φ = 111022289440.

The previous prime is 111402503041. The next prime is 111402503077. The reversal of 111402503053 is 350305204111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350305204111 = 1453 ⋅241090987.

It can be written as a sum of positive squares in 2 ways, for example, as 90964369609 + 20438133444 = 301603^2 + 142962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111402503053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111402503153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 190106368 + ... + 190106953.

It is an arithmetic number, because the mean of its divisors is an integer number (27945679167).

Almost surely, 2^111402503053 is an apocalyptic number.

It is an amenable number.

111402503053 is a deficient number, since it is larger than the sum of its proper divisors (380213615).

111402503053 is an equidigital number, since it uses as much as digits as its factorization.

111402503053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380213614.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 111402503053 its reverse (350305204111), we get a palindrome (461707707164).

The spelling of 111402503053 in words is "one hundred eleven billion, four hundred two million, five hundred three thousand, fifty-three".