51485058415 has 16 divisors (see below), whose sum is σ = 70625378880. Its totient is φ = 35295390720.

The previous prime is 51485058409. The next prime is 51485058437.

It is a happy number.

51485058415 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51485058415 - 2¹¹ = 51485056367 is a prime.

It is a super-2 number, since 2×51485058415² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 33616 + ... + 322645.

It is an arithmetic number, because the mean of its divisors is an integer number (4414086180).

Almost surely, 2^51485058415 is an apocalyptic number.

51485058415 is a deficient number, since it is larger than the sum of its proper divisors (19140320465).

51485058415 is a wasteful number, since it uses less digits than its factorization.

51485058415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360402.

The product of its (nonzero) digits is 640000, while the sum is 46.

The spelling of 51485058415 in words is "fifty-one billion, four hundred eighty-five million, fifty-eight thousand, four hundred fifteen".