51041014021 has 16 divisors (see below), whose sum is σ = 55063229760. Its totient is φ = 47153473920.

The previous prime is 51041014019. The next prime is 51041014027. The reversal of 51041014021 is 12041014015.

It is a cyclic number.

It is not a de Polignac number, because 51041014021 - 2¹ = 51041014019 is a prime.

It is a super-2 number, since 2×51041014021² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51041014021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51041014027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1814355 + ... + 1842271.

It is an arithmetic number, because the mean of its divisors is an integer number (3441451860).

Almost surely, 2^51041014021 is an apocalyptic number.

It is an amenable number.

51041014021 is a deficient number, since it is larger than the sum of its proper divisors (4022215739).

51041014021 is a wasteful number, since it uses less digits than its factorization.

51041014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30324.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 51041014021 its reverse (12041014015), we get a palindrome (63082028036).

The spelling of 51041014021 in words is "fifty-one billion, forty-one million, fourteen thousand, twenty-one".