51311421262454 has 16 divisors (see below), whose sum is σ = 77076404029440. Its totient is φ = 25619310436200.

The previous prime is 51311421262441. The next prime is 51311421262471. The reversal of 51311421262454 is 45426212411315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657124 + ... + 10264935.

It is an arithmetic number, because the mean of its divisors is an integer number (4817275251840).

Almost surely, 2^{51311421262454} is an apocalyptic number.

51311421262454 is a deficient number, since it is larger than the sum of its proper divisors (25764982766986).

51311421262454 is a wasteful number, since it uses less digits than its factorization.

51311421262454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11925115.

The product of its digits is 230400, while the sum is 41.

Adding to 51311421262454 its reverse (45426212411315), we get a palindrome (96737633673769).

The spelling of 51311421262454 in words is "fifty-one trillion, three hundred eleven billion, four hundred twenty-one million, two hundred sixty-two thousand, four hundred fifty-four".