215001651060055 has 4 divisors (see below), whose sum is σ = 258001981272072. Its totient is φ = 172001320848040.

The previous prime is 215001651060043. The next prime is 215001651060089. The reversal of 215001651060055 is 550060156100512.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 215001651060055 - 2⁵ = 215001651060023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215001651059996 and 215001651060023.

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, 21500165106001 + ... + 21500165106010.

It is an arithmetic number, because the mean of its divisors is an integer number (64500495318018).

Almost surely, 2^{215001651060055} is an apocalyptic number.

215001651060055 is a deficient number, since it is larger than the sum of its proper divisors (43000330212017).

215001651060055 is an equidigital number, since it uses as much as digits as its factorization.

215001651060055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43000330212016.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 215001651060055 in words is "two hundred fifteen trillion, one billion, six hundred fifty-one million, sixty thousand, fifty-five".