51132020215 has 16 divisors (see below), whose sum is σ = 65463694560. Its totient is φ = 38205506560.

The previous prime is 51132020201. The next prime is 51132020273. The reversal of 51132020215 is 51202023115.

It is not a de Polignac number, because 51132020215 - 2¹⁹ = 51131495927 is a prime.

It is a super-2 number, since 2×51132020215² (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, 2284870 + ... + 2307139.

It is an arithmetic number, because the mean of its divisors is an integer number (4091480910).

Almost surely, 2^51132020215 is an apocalyptic number.

51132020215 is a deficient number, since it is larger than the sum of its proper divisors (14331674345).

51132020215 is a wasteful number, since it uses less digits than its factorization.

51132020215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592162.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 51132020215 in words is "fifty-one billion, one hundred thirty-two million, twenty thousand, two hundred fifteen".