11415231101 has 2 divisors, whose sum is σ = 11415231102. Its totient is φ = 11415231100.

The previous prime is 11415231067. The next prime is 11415231109. The reversal of 11415231101 is 10113251411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9170935225 + 2244295876 = 95765^2 + 47374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11415231101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11415231109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707615550 + 5707615551.

It is an arithmetic number, because the mean of its divisors is an integer number (5707615551).

Almost surely, 2^11415231101 is an apocalyptic number.

It is an amenable number.

11415231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11415231101 is an equidigital number, since it uses as much as digits as its factorization.

11415231101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 11415231101 its reverse (10113251411), we get a palindrome (21528482512).

The spelling of 11415231101 in words is "eleven billion, four hundred fifteen million, two hundred thirty-one thousand, one hundred one".