111506151101 has 2 divisors, whose sum is σ = 111506151102. Its totient is φ = 111506151100.

The previous prime is 111506151077. The next prime is 111506151109. The reversal of 111506151101 is 101151605111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102847848601 + 8658302500 = 320699^2 + 93050^2 .

It is an emirp because it is prime and its reverse (101151605111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111506151101 - 2¹⁴ = 111506134717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111506151109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55753075550 + 55753075551.

It is an arithmetic number, because the mean of its divisors is an integer number (55753075551).

Almost surely, 2^111506151101 is an apocalyptic number.

It is an amenable number.

111506151101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111506151101 is an equidigital number, since it uses as much as digits as its factorization.

111506151101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 23.

Adding to 111506151101 its reverse (101151605111), we get a palindrome (212657756212).

The spelling of 111506151101 in words is "one hundred eleven billion, five hundred six million, one hundred fifty-one thousand, one hundred one".