15340155505 has 16 divisors (see below), whose sum is σ = 18509589504. Its totient is φ = 12204636480.

The previous prime is 15340155469. The next prime is 15340155521. The reversal of 15340155505 is 50555104351.

It is a de Polignac number, because none of the positive numbers 2^k-15340155505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176532 + ... + 1189498.

It is an arithmetic number, because the mean of its divisors is an integer number (1156849344).

Almost surely, 2^15340155505 is an apocalyptic number.

It is an amenable number.

15340155505 is a deficient number, since it is larger than the sum of its proper divisors (3169433999).

15340155505 is a wasteful number, since it uses less digits than its factorization.

15340155505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256.

The product of its (nonzero) digits is 37500, while the sum is 34.

Adding to 15340155505 its reverse (50555104351), we get a palindrome (65895259856).

The spelling of 15340155505 in words is "fifteen billion, three hundred forty million, one hundred fifty-five thousand, five hundred five".