111140145451 has 16 divisors (see below), whose sum is σ = 118072733184. Its totient is φ = 104397941824.

The previous prime is 111140145439. The next prime is 111140145463. The reversal of 111140145451 is 154541041111.

It is an interprime number because it is at equal distance from previous prime (111140145439) and next prime (111140145463).

It is not a de Polignac number, because 111140145451 - 2⁷ = 111140145323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111140845451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144495 + ... + 493111.

It is an arithmetic number, because the mean of its divisors is an integer number (7379545824).

Almost surely, 2^111140145451 is an apocalyptic number.

111140145451 is a deficient number, since it is larger than the sum of its proper divisors (6932587733).

111140145451 is a wasteful number, since it uses less digits than its factorization.

111140145451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348890.

The product of its (nonzero) digits is 1600, while the sum is 28.

Adding to 111140145451 its reverse (154541041111), we get a palindrome (265681186562).

The spelling of 111140145451 in words is "one hundred eleven billion, one hundred forty million, one hundred forty-five thousand, four hundred fifty-one".