51150446525 has 6 divisors (see below), whose sum is σ = 63426553722. Its totient is φ = 40920357200.

The previous prime is 51150446521. The next prime is 51150446551. The reversal of 51150446525 is 52564405115.

It can be written as a sum of positive squares in 3 ways, for example, as 5520787204 + 45629659321 = 74302^2 + 213611^2 .

It is not a de Polignac number, because 51150446525 - 2² = 51150446521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51150446521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1023008906 + ... + 1023008955.

It is an arithmetic number, because the mean of its divisors is an integer number (10571092287).

Almost surely, 2^51150446525 is an apocalyptic number.

It is an amenable number.

51150446525 is a deficient number, since it is larger than the sum of its proper divisors (12276107197).

51150446525 is a wasteful number, since it uses less digits than its factorization.

51150446525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046017871 (or 2046017866 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 51150446525 in words is "fifty-one billion, one hundred fifty million, four hundred forty-six thousand, five hundred twenty-five".