111465741557 has 2 divisors, whose sum is σ = 111465741558. Its totient is φ = 111465741556.

The previous prime is 111465741551. The next prime is 111465741577. The reversal of 111465741557 is 755147564111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61665802276 + 49799939281 = 248326^2 + 223159^2 .

It is a cyclic number.

It is not a de Polignac number, because 111465741557 - 2³² = 107170774261 is a prime.

It is a super-2 number, since 2×111465741557² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111465741551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55732870778 + 55732870779.

It is an arithmetic number, because the mean of its divisors is an integer number (55732870779).

Almost surely, 2^111465741557 is an apocalyptic number.

It is an amenable number.

111465741557 is a deficient number, since it is larger than the sum of its proper divisors (1).

111465741557 is an equidigital number, since it uses as much as digits as its factorization.

111465741557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 47.

The spelling of 111465741557 in words is "one hundred eleven billion, four hundred sixty-five million, seven hundred forty-one thousand, five hundred fifty-seven".