51153244205 has 24 divisors (see below), whose sum is σ = 74522427648. Its totient is φ = 33013179648.

The previous prime is 51153244183. The next prime is 51153244237. The reversal of 51153244205 is 50244235115.

51153244205 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 51153244205 - 2¹⁶ = 51153178669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2518469 + ... + 2538698.

It is an arithmetic number, because the mean of its divisors is an integer number (3105101152).

Almost surely, 2^51153244205 is an apocalyptic number.

It is an amenable number.

51153244205 is a deficient number, since it is larger than the sum of its proper divisors (23369183443).

51153244205 is a wasteful number, since it uses less digits than its factorization.

51153244205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057213 (or 5057196 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 51153244205 in words is "fifty-one billion, one hundred fifty-three million, two hundred forty-four thousand, two hundred five".