51021114545 has 8 divisors (see below), whose sum is σ = 61386884160. Its totient is φ = 40709193840.

The previous prime is 51021114539. The next prime is 51021114553. The reversal of 51021114545 is 54541112015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51021114545 - 2⁶ = 51021114481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13460141 + ... + 13463930.

It is an arithmetic number, because the mean of its divisors is an integer number (7673360520).

Almost surely, 2^51021114545 is an apocalyptic number.

It is an amenable number.

51021114545 is a deficient number, since it is larger than the sum of its proper divisors (10365769615).

51021114545 is a wasteful number, since it uses less digits than its factorization.

51021114545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26924455.

The product of its (nonzero) digits is 4000, while the sum is 29.

The spelling of 51021114545 in words is "fifty-one billion, twenty-one million, one hundred fourteen thousand, five hundred forty-five".