11415023173 has 2 divisors, whose sum is σ = 11415023174. Its totient is φ = 11415023172.

The previous prime is 11415023161. The next prime is 11415023197. The reversal of 11415023173 is 37132051411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10502560324 + 912462849 = 102482^2 + 30207^2 .

It is a cyclic number.

It is not a de Polignac number, because 11415023173 - 2²⁹ = 10878152261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11415023153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707511586 + 5707511587.

It is an arithmetic number, because the mean of its divisors is an integer number (5707511587).

Almost surely, 2^11415023173 is an apocalyptic number.

It is an amenable number.

11415023173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11415023173 is an equidigital number, since it uses as much as digits as its factorization.

11415023173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 11415023173 its reverse (37132051411), we get a palindrome (48547074584).

The spelling of 11415023173 in words is "eleven billion, four hundred fifteen million, twenty-three thousand, one hundred seventy-three".