51325412403 has 16 divisors (see below), whose sum is σ = 71589117600. Its totient is φ = 32665839360.

The previous prime is 51325412309. The next prime is 51325412471. The reversal of 51325412403 is 30421452315.

It is not a de Polignac number, because 51325412403 - 2¹³ = 51325404211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51325419403) 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, 3306568 + ... + 3322053.

It is an arithmetic number, because the mean of its divisors is an integer number (4474319850).

Almost surely, 2^51325412403 is an apocalyptic number.

51325412403 is a deficient number, since it is larger than the sum of its proper divisors (20263705197).

51325412403 is a wasteful number, since it uses less digits than its factorization.

51325412403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628742.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 51325412403 its reverse (30421452315), we get a palindrome (81746864718).

The spelling of 51325412403 in words is "fifty-one billion, three hundred twenty-five million, four hundred twelve thousand, four hundred three".