51034525000 has 96 divisors (see below), whose sum is σ = 123464597760. Its totient is φ = 19755000000.

The previous prime is 51034524967. The next prime is 51034525001. The reversal of 51034525000 is 52543015.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (51034525001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 742075 + ... + 807925.

It is an arithmetic number, because the mean of its divisors is an integer number (1286089560).

Almost surely, 2^51034525000 is an apocalyptic number.

51034525000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51034525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61732298880).

51034525000 is an abundant number, since it is smaller than the sum of its proper divisors (72430072760).

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

51034525000 is an equidigital number, since it uses as much as digits as its factorization.

51034525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65913 (or 65889 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 51034525000 in words is "fifty-one billion, thirty-four million, five hundred twenty-five thousand".