51003541345 has 16 divisors (see below), whose sum is σ = 63555528960. Its totient is φ = 39246015424.

The previous prime is 51003541319. The next prime is 51003541361. The reversal of 51003541345 is 54314530015.

It is a cyclic number.

It is not a de Polignac number, because 51003541345 - 2¹⁷ = 51003410273 is a prime.

It is a super-2 number, since 2×51003541345² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630589 + ... + 706858.

It is an arithmetic number, because the mean of its divisors is an integer number (3972220560).

Almost surely, 2^51003541345 is an apocalyptic number.

It is an amenable number.

51003541345 is a deficient number, since it is larger than the sum of its proper divisors (12551987615).

51003541345 is a wasteful number, since it uses less digits than its factorization.

51003541345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337744.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 51003541345 in words is "fifty-one billion, three million, five hundred forty-one thousand, three hundred forty-five".