111400615849 has 2 divisors, whose sum is σ = 111400615850. Its totient is φ = 111400615848.

The previous prime is 111400615801. The next prime is 111400615867. The reversal of 111400615849 is 948516004111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56225894400 + 55174721449 = 237120^2 + 234893^2 .

It is a cyclic number.

It is not a de Polignac number, because 111400615849 - 2¹⁷ = 111400484777 is a prime.

It is a super-3 number, since 3×111400615849³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111400615549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55700307924 + 55700307925.

It is an arithmetic number, because the mean of its divisors is an integer number (55700307925).

Almost surely, 2^111400615849 is an apocalyptic number.

It is an amenable number.

111400615849 is a deficient number, since it is larger than the sum of its proper divisors (1).

111400615849 is an equidigital number, since it uses as much as digits as its factorization.

111400615849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 111400615849 in words is "one hundred eleven billion, four hundred million, six hundred fifteen thousand, eight hundred forty-nine".