51007217075 has 12 divisors (see below), whose sum is σ = 63284477808. Its totient is φ = 40782852000.

The previous prime is 51007217059. The next prime is 51007217113. The reversal of 51007217075 is 57071270015.

It is a happy number.

51007217075 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 51007217075 - 2⁴ = 51007217059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527576 + ... + 616725.

It is an arithmetic number, because the mean of its divisors is an integer number (5273706484).

Almost surely, 2^51007217075 is an apocalyptic number.

51007217075 is a deficient number, since it is larger than the sum of its proper divisors (12277260733).

51007217075 is a wasteful number, since it uses less digits than its factorization.

51007217075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146094 (or 1146089 counting only the distinct ones).

The product of its (nonzero) digits is 17150, while the sum is 35.

The spelling of 51007217075 in words is "fifty-one billion, seven million, two hundred seventeen thousand, seventy-five".