51025001451 has 8 divisors (see below), whose sum is σ = 68041655760. Its totient is φ = 34012507392.

The previous prime is 51025001431. The next prime is 51025001453. The reversal of 51025001451 is 15410052015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51025001451 - 2¹⁸ = 51024739307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51025001453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1011330 + ... + 1060583.

It is an arithmetic number, because the mean of its divisors is an integer number (8505206970).

Almost surely, 2^51025001451 is an apocalyptic number.

51025001451 is a deficient number, since it is larger than the sum of its proper divisors (17016654309).

51025001451 is a wasteful number, since it uses less digits than its factorization.

51025001451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080125.

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 51025001451 its reverse (15410052015), we get a palindrome (66435053466).

The spelling of 51025001451 in words is "fifty-one billion, twenty-five million, one thousand, four hundred fifty-one".