51225432510151 has 16 divisors (see below), whose sum is σ = 53476029145440. Its totient is φ = 49020533527680.

The previous prime is 51225432510139. The next prime is 51225432510157. The reversal of 51225432510151 is 15101523452215.

It is a cyclic number.

It is not a de Polignac number, because 51225432510151 - 2⁹ = 51225432509639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51225432510151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51225432510157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32445180 + ... + 33987358.

It is an arithmetic number, because the mean of its divisors is an integer number (3342251821590).

Almost surely, 2^{51225432510151} is an apocalyptic number.

51225432510151 is a deficient number, since it is larger than the sum of its proper divisors (2250596635289).

51225432510151 is a wasteful number, since it uses less digits than its factorization.

51225432510151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556994.

The product of its (nonzero) digits is 60000, while the sum is 37.

Adding to 51225432510151 its reverse (15101523452215), we get a palindrome (66326955962366).

The spelling of 51225432510151 in words is "fifty-one trillion, two hundred twenty-five billion, four hundred thirty-two million, five hundred ten thousand, one hundred fifty-one".