15554635245313 has 8 divisors (see below), whose sum is σ = 16091391153600. Its totient is φ = 15017905282128.

The previous prime is 15554635245311. The next prime is 15554635245323. The reversal of 15554635245313 is 31354253645551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15554635245313 - 2¹ = 15554635245311 is a prime.

It is a super-2 number, since 2×15554635245313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15554635245311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5262631 + ... + 7668412.

It is an arithmetic number, because the mean of its divisors is an integer number (2011423894200).

Almost surely, 2^{15554635245313} is an apocalyptic number.

It is an amenable number.

15554635245313 is a deficient number, since it is larger than the sum of its proper divisors (536755908287).

15554635245313 is a wasteful number, since it uses less digits than its factorization.

15554635245313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972551.

The product of its digits is 16200000, while the sum is 52.

The spelling of 15554635245313 in words is "fifteen trillion, five hundred fifty-four billion, six hundred thirty-five million, two hundred forty-five thousand, three hundred thirteen".