15506616132383 has 4 divisors (see below), whose sum is σ = 15506706653640. Its totient is φ = 15506525611128.

The previous prime is 15506616132373. The next prime is 15506616132421. The reversal of 15506616132383 is 38323161660551.

15506616132383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 15506616132383 - 2²⁰ = 15506615083807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15506616132373) 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, 45003185 + ... + 45346442.

It is an arithmetic number, because the mean of its divisors is an integer number (3876676663410).

Almost surely, 2^{15506616132383} is an apocalyptic number.

15506616132383 is a deficient number, since it is larger than the sum of its proper divisors (90521257).

15506616132383 is an equidigital number, since it uses as much as digits as its factorization.

15506616132383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90521256.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 15506616132383 in words is "fifteen trillion, five hundred six billion, six hundred sixteen million, one hundred thirty-two thousand, three hundred eighty-three".