215550832004854 has 8 divisors (see below), whose sum is σ = 323326382988168. Its totient is φ = 107775371008800.

The previous prime is 215550832004797. The next prime is 215550832004863. The reversal of 215550832004854 is 458400238055512.

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

It is a super-2 number, since 2×215550832004854² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 16150372 + ... + 26304679.

It is an arithmetic number, because the mean of its divisors is an integer number (40415797873521).

Almost surely, 2^{215550832004854} is an apocalyptic number.

215550832004854 is a deficient number, since it is larger than the sum of its proper divisors (107775550983314).

215550832004854 is a wasteful number, since it uses less digits than its factorization.

215550832004854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44993630.

The product of its (nonzero) digits is 7680000, while the sum is 52.

The spelling of 215550832004854 in words is "two hundred fifteen trillion, five hundred fifty billion, eight hundred thirty-two million, four thousand, eight hundred fifty-four".