83251869155 has 128 divisors (see below), whose sum is σ = 131861495808. Its totient is φ = 49020567552.

The previous prime is 83251869119. The next prime is 83251869167. The reversal of 83251869155 is 55196815238.

It is a Cunningham number, because it is equal to 288534²-1.

It is not a de Polignac number, because 83251869155 - 2⁸ = 83251868899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83251869097 and 83251869106.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 94927577 + ... + 94928453.

It is an arithmetic number, because the mean of its divisors is an integer number (1030167936).

Almost surely, 2^83251869155 is an apocalyptic number.

83251869155 is a deficient number, since it is larger than the sum of its proper divisors (48609626653).

83251869155 is a wasteful number, since it uses less digits than its factorization.

83251869155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its digits is 2592000, while the sum is 53.

The spelling of 83251869155 in words is "eighty-three billion, two hundred fifty-one million, eight hundred sixty-nine thousand, one hundred fifty-five".