51152150225 has 24 divisors (see below), whose sum is σ = 69217703712. Its totient is φ = 37189308800.

The previous prime is 51152150207. The next prime is 51152150297. The reversal of 51152150225 is 52205125115.

It is a de Polignac number, because none of the positive numbers 2^k-51152150225 is a prime.

It is a Duffinian number.

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 851789 + ... + 909861.

It is an arithmetic number, because the mean of its divisors is an integer number (2884070988).

Almost surely, 2^51152150225 is an apocalyptic number.

51152150225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51152150225 is a deficient number, since it is larger than the sum of its proper divisors (18065553487).

51152150225 is a wasteful number, since it uses less digits than its factorization.

51152150225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61297 (or 61292 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 51152150225 in words is "fifty-one billion, one hundred fifty-two million, one hundred fifty thousand, two hundred twenty-five".