955500555505 has 4 divisors (see below), whose sum is σ = 1146600666612. Its totient is φ = 764400444400.

The previous prime is 955500555497. The next prime is 955500555509. The reversal of 955500555505 is 505555005559.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 233420394496 + 722080161009 = 483136^2 + 849753^2 .

It is not a de Polignac number, because 955500555505 - 2³ = 955500555497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (955500555509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95550055546 + ... + 95550055555.

It is an arithmetic number, because the mean of its divisors is an integer number (286650166653).

Almost surely, 2^955500555505 is an apocalyptic number.

It is an amenable number.

955500555505 is a deficient number, since it is larger than the sum of its proper divisors (191100111107).

955500555505 is a wasteful number, since it uses less digits than its factorization.

955500555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191100111106.

The product of its (nonzero) digits is 3515625, while the sum is 49.

The spelling of 955500555505 in words is "nine hundred fifty-five billion, five hundred million, five hundred fifty-five thousand, five hundred five".