515104954955 has 4 divisors (see below), whose sum is σ = 618125945952. Its totient is φ = 412083963960.

The previous prime is 515104954937. The next prime is 515104954981. The reversal of 515104954955 is 559459401515.

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

It is not a de Polignac number, because 515104954955 - 2⁶ = 515104954891 is a prime.

It is a super-2 number, since 2×515104954955² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 515104954897 and 515104954906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51510495491 + ... + 51510495500.

It is an arithmetic number, because the mean of its divisors is an integer number (154531486488).

Almost surely, 2^515104954955 is an apocalyptic number.

515104954955 is a deficient number, since it is larger than the sum of its proper divisors (103020990997).

515104954955 is a wasteful number, since it uses less digits than its factorization.

515104954955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103020990996.

The product of its (nonzero) digits is 4050000, while the sum is 53.

The spelling of 515104954955 in words is "five hundred fifteen billion, one hundred four million, nine hundred fifty-four thousand, nine hundred fifty-five".