15455535521313 has 16 divisors (see below), whose sum is σ = 20726637428736. Its totient is φ = 10244121172560.

The previous prime is 15455535521281. The next prime is 15455535521323. The reversal of 15455535521313 is 31312553555451.

It is not a de Polignac number, because 15455535521313 - 2⁵ = 15455535521281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15455535521323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6353395 + ... + 8442552.

It is an arithmetic number, because the mean of its divisors is an integer number (1295414839296).

Almost surely, 2^{15455535521313} is an apocalyptic number.

It is an amenable number.

15455535521313 is a deficient number, since it is larger than the sum of its proper divisors (5271101907423).

15455535521313 is a wasteful number, since it uses less digits than its factorization.

15455535521313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14797964.

The product of its digits is 3375000, while the sum is 48.

The spelling of 15455535521313 in words is "fifteen trillion, four hundred fifty-five billion, five hundred thirty-five million, five hundred twenty-one thousand, three hundred thirteen".