111212313079253 has 2 divisors, whose sum is σ = 111212313079254. Its totient is φ = 111212313079252.

The previous prime is 111212313079183. The next prime is 111212313079303. The reversal of 111212313079253 is 352970313212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58974443788324 + 52237869290929 = 7679482^2 + 7227577^2 .

It is a cyclic number.

It is not a de Polignac number, because 111212313079253 - 2³⁸ = 110937435172309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111212313079253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111212313579253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606156539626 + 55606156539627.

It is an arithmetic number, because the mean of its divisors is an integer number (55606156539627).

Almost surely, 2^{111212313079253} is an apocalyptic number.

It is an amenable number.

111212313079253 is a deficient number, since it is larger than the sum of its proper divisors (1).

111212313079253 is an equidigital number, since it uses as much as digits as its factorization.

111212313079253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 111212313079253 in words is "one hundred eleven trillion, two hundred twelve billion, three hundred thirteen million, seventy-nine thousand, two hundred fifty-three".