15132615052223 has 4 divisors (see below), whose sum is σ = 15132982202808. Its totient is φ = 15132247901640.

The previous prime is 15132615052153. The next prime is 15132615052229. The reversal of 15132615052223 is 32225051623151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15132615052223 is a prime.

It is a super-2 number, since 2×15132615052223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15132615052229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183513461 + ... + 183595902.

It is an arithmetic number, because the mean of its divisors is an integer number (3783245550702).

Almost surely, 2^{15132615052223} is an apocalyptic number.

15132615052223 is a deficient number, since it is larger than the sum of its proper divisors (367150585).

15132615052223 is an equidigital number, since it uses as much as digits as its factorization.

15132615052223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367150584.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 15132615052223 its reverse (32225051623151), we get a palindrome (47357666675374).

The spelling of 15132615052223 in words is "fifteen trillion, one hundred thirty-two billion, six hundred fifteen million, fifty-two thousand, two hundred twenty-three".