111293273513 has 2 divisors, whose sum is σ = 111293273514. Its totient is φ = 111293273512.

The previous prime is 111293273503. The next prime is 111293273521. The reversal of 111293273513 is 315372392111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110309008384 + 984265129 = 332128^2 + 31373^2 .

It is a cyclic number.

It is not a de Polignac number, because 111293273513 - 2⁸ = 111293273257 is a prime.

It is a super-2 number, since 2×111293273513² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111293273503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55646636756 + 55646636757.

It is an arithmetic number, because the mean of its divisors is an integer number (55646636757).

Almost surely, 2^111293273513 is an apocalyptic number.

It is an amenable number.

111293273513 is a deficient number, since it is larger than the sum of its proper divisors (1).

111293273513 is an equidigital number, since it uses as much as digits as its factorization.

111293273513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The spelling of 111293273513 in words is "one hundred eleven billion, two hundred ninety-three million, two hundred seventy-three thousand, five hundred thirteen".