15340205455 has 16 divisors (see below), whose sum is σ = 18667037664. Its totient is φ = 12100832640.

The previous prime is 15340205449. The next prime is 15340205477. The reversal of 15340205455 is 55450204351.

It is a de Polignac number, because none of the positive numbers 2^k-15340205455 is a prime.

It is a super-2 number, since 2×15340205455² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15340205455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28249 + ... + 177421.

It is an arithmetic number, because the mean of its divisors is an integer number (1166689854).

Almost surely, 2^15340205455 is an apocalyptic number.

15340205455 is a deficient number, since it is larger than the sum of its proper divisors (3326832209).

15340205455 is a wasteful number, since it uses less digits than its factorization.

15340205455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149466.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 15340205455 in words is "fifteen billion, three hundred forty million, two hundred five thousand, four hundred fifty-five".