111453134215 has 4 divisors (see below), whose sum is σ = 133743761064. Its totient is φ = 89162507368.

The previous prime is 111453134203. The next prime is 111453134237. The reversal of 111453134215 is 512431354111.

It is a happy number.

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 111453134215 - 2²¹ = 111451037063 is a prime.

It is a super-2 number, since 2×111453134215² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11145313417 + ... + 11145313426.

It is an arithmetic number, because the mean of its divisors is an integer number (33435940266).

Almost surely, 2^111453134215 is an apocalyptic number.

111453134215 is a deficient number, since it is larger than the sum of its proper divisors (22290626849).

111453134215 is an equidigital number, since it uses as much as digits as its factorization.

111453134215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22290626848.

The product of its digits is 7200, while the sum is 31.

Adding to 111453134215 its reverse (512431354111), we get a palindrome (623884488326).

The spelling of 111453134215 in words is "one hundred eleven billion, four hundred fifty-three million, one hundred thirty-four thousand, two hundred fifteen".