215116210088554 has 16 divisors (see below), whose sum is σ = 329540169017088. Its totient is φ = 105269493234672.

The previous prime is 215116210088509. The next prime is 215116210088599. The reversal of 215116210088554 is 455880012611512.

It is an interprime number because it is at equal distance from previous prime (215116210088509) and next prime (215116210088599).

It is a junction number, because it is equal to n+sod(n) for n = 215116210088498 and 215116210088507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117614947 + ... + 119429929.

It is an arithmetic number, because the mean of its divisors is an integer number (20596260563568).

Almost surely, 2^{215116210088554} is an apocalyptic number.

215116210088554 is a deficient number, since it is larger than the sum of its proper divisors (114423958928534).

215116210088554 is a wasteful number, since it uses less digits than its factorization.

215116210088554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075909.

The product of its (nonzero) digits is 768000, while the sum is 49.

The spelling of 215116210088554 in words is "two hundred fifteen trillion, one hundred sixteen billion, two hundred ten million, eighty-eight thousand, five hundred fifty-four".