51451265914 has 16 divisors (see below), whose sum is σ = 78445317888. Its totient is φ = 25303969152.

The previous prime is 51451265911. The next prime is 51451265917. The reversal of 51451265914 is 41956215415.

It is an interprime number because it is at equal distance from previous prime (51451265911) and next prime (51451265917).

It is not an unprimeable number, because it can be changed into a prime (51451265911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195082 + ... + 375445.

It is an arithmetic number, because the mean of its divisors is an integer number (4902832368).

Almost surely, 2^51451265914 is an apocalyptic number.

51451265914 is a deficient number, since it is larger than the sum of its proper divisors (26994051974).

51451265914 is a wasteful number, since it uses less digits than its factorization.

51451265914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571269.

The product of its digits is 216000, while the sum is 43.

The spelling of 51451265914 in words is "fifty-one billion, four hundred fifty-one million, two hundred sixty-five thousand, nine hundred fourteen".