51485258415 has 8 divisors (see below), whose sum is σ = 82376413488. Its totient is φ = 27458804480.

The previous prime is 51485258401. The next prime is 51485258453.

51485258415 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51485258415 - 2¹⁶ = 51485192879 is a prime.

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, 1716175266 + ... + 1716175295.

It is an arithmetic number, because the mean of its divisors is an integer number (10297051686).

Almost surely, 2^51485258415 is an apocalyptic number.

51485258415 is a deficient number, since it is larger than the sum of its proper divisors (30891155073).

51485258415 is a wasteful number, since it uses less digits than its factorization.

51485258415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432350569.

The product of its digits is 1280000, while the sum is 48.

The spelling of 51485258415 in words is "fifty-one billion, four hundred eighty-five million, two hundred fifty-eight thousand, four hundred fifteen".