51504711270 has 128 divisors (see below), whose sum is σ = 129926135808. Its totient is φ = 13054924800.

The previous prime is 51504711259. The next prime is 51504711281. The reversal of 51504711270 is 7211740515.

It is an interprime number because it is at equal distance from previous prime (51504711259) and next prime (51504711281).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7449115 + ... + 7456025.

It is an arithmetic number, because the mean of its divisors is an integer number (1015047936).

Almost surely, 2^51504711270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51504711270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64963067904).

51504711270 is an abundant number, since it is smaller than the sum of its proper divisors (78421424538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51504711270 is a wasteful number, since it uses less digits than its factorization.

51504711270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118.

The product of its (nonzero) digits is 9800, while the sum is 33.

The spelling of 51504711270 in words is "fifty-one billion, five hundred four million, seven hundred eleven thousand, two hundred seventy".