219102082551 has 12 divisors (see below), whose sum is σ = 345251766600. Its totient is φ = 132789140880.

The previous prime is 219102082547. The next prime is 219102082607. The reversal of 219102082551 is 155280201912.

219102082551 is a `hidden beast` number, since 2 + 1 + 9 + 1 + 0 + 20 + 82 + 551 = 666.

219102082551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 219102082551 - 2² = 219102082547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219102082151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1106576076 + ... + 1106576273.

It is an arithmetic number, because the mean of its divisors is an integer number (28770980550).

Almost surely, 2^219102082551 is an apocalyptic number.

219102082551 is a deficient number, since it is larger than the sum of its proper divisors (126149684049).

219102082551 is a wasteful number, since it uses less digits than its factorization.

219102082551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213152366 (or 2213152363 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The spelling of 219102082551 in words is "two hundred nineteen billion, one hundred two million, eighty-two thousand, five hundred fifty-one".