51441504135 has 24 divisors (see below), whose sum is σ = 95744188656. Its totient is φ = 23516115840.

The previous prime is 51441504091. The next prime is 51441504143. The reversal of 51441504135 is 53140514415.

It is not a de Polignac number, because 51441504135 - 2¹² = 51441500039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51441504096 and 51441504105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34993486 + ... + 34994955.

It is an arithmetic number, because the mean of its divisors is an integer number (3989341194).

Almost surely, 2^51441504135 is an apocalyptic number.

51441504135 is a deficient number, since it is larger than the sum of its proper divisors (44302684521).

51441504135 is a wasteful number, since it uses less digits than its factorization.

51441504135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69988463 (or 69988456 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 51441504135 in words is "fifty-one billion, four hundred forty-one million, five hundred four thousand, one hundred thirty-five".