51055255072605 has 16 divisors (see below), whose sum is σ = 93358180704384. Its totient is φ = 23339545176000.

The previous prime is 51055255072583. The next prime is 51055255072637. The reversal of 51055255072605 is 50627055255015.

It is not a de Polignac number, because 51055255072605 - 2²⁷ = 51055120854877 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 243120262146 + ... + 243120262355.

It is an arithmetic number, because the mean of its divisors is an integer number (5834886294024).

Almost surely, 2^{51055255072605} is an apocalyptic number.

It is an amenable number.

51055255072605 is a deficient number, since it is larger than the sum of its proper divisors (42302925631779).

51055255072605 is a wasteful number, since it uses less digits than its factorization.

51055255072605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486240524516.

The product of its (nonzero) digits is 2625000, while the sum is 48.

The spelling of 51055255072605 in words is "fifty-one trillion, fifty-five billion, two hundred fifty-five million, seventy-two thousand, six hundred five".