111142040514949 has 2 divisors, whose sum is σ = 111142040514950. Its totient is φ = 111142040514948.

The previous prime is 111142040514847. The next prime is 111142040515069. The reversal of 111142040514949 is 949415040241111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87135783969025 + 24006256545924 = 9334655^2 + 4899618^2 .

It is a cyclic number.

It is not a de Polignac number, because 111142040514949 - 2²³ = 111142032126341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111142040514899 and 111142040514908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111142040554949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55571020257474 + 55571020257475.

It is an arithmetic number, because the mean of its divisors is an integer number (55571020257475).

Almost surely, 2^{111142040514949} is an apocalyptic number.

It is an amenable number.

111142040514949 is a deficient number, since it is larger than the sum of its proper divisors (1).

111142040514949 is an equidigital number, since it uses as much as digits as its factorization.

111142040514949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 111142040514949 in words is "one hundred eleven trillion, one hundred forty-two billion, forty million, five hundred fourteen thousand, nine hundred forty-nine".