3115551551505 has 16 divisors (see below), whose sum is σ = 4985814190464. Its totient is φ = 1661316924800.

The previous prime is 3115551551503. The next prime is 3115551551533. The reversal of 3115551551505 is 5051551555113.

It is a happy number.

3115551551505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3115551551505 - 2¹ = 3115551551503 is a prime.

It is a super-2 number, since 2×3115551551505² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3115551551503) 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, 19327644 + ... + 19488173.

It is an arithmetic number, because the mean of its divisors is an integer number (311613386904).

Almost surely, 2^{3115551551505} is an apocalyptic number.

It is an amenable number.

3115551551505 is a deficient number, since it is larger than the sum of its proper divisors (1870262638959).

3115551551505 is a wasteful number, since it uses less digits than its factorization.

3115551551505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38821176.

The product of its (nonzero) digits is 234375, while the sum is 42.

The spelling of 3115551551505 in words is "three trillion, one hundred fifteen billion, five hundred fifty-one million, five hundred fifty-one thousand, five hundred five".