111361541429 has 2 divisors, whose sum is σ = 111361541430. Its totient is φ = 111361541428.

The previous prime is 111361541413. The next prime is 111361541441. The reversal of 111361541429 is 924145163111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110536300900 + 825240529 = 332470^2 + 28727^2 .

It is a cyclic number.

It is not a de Polignac number, because 111361541429 - 2⁴ = 111361541413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111361541392 and 111361541401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111361541449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55680770714 + 55680770715.

It is an arithmetic number, because the mean of its divisors is an integer number (55680770715).

Almost surely, 2^111361541429 is an apocalyptic number.

It is an amenable number.

111361541429 is a deficient number, since it is larger than the sum of its proper divisors (1).

111361541429 is an equidigital number, since it uses as much as digits as its factorization.

111361541429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The spelling of 111361541429 in words is "one hundred eleven billion, three hundred sixty-one million, five hundred forty-one thousand, four hundred twenty-nine".