83125321855 has 16 divisors (see below), whose sum is σ = 106007819904. Its totient is φ = 62357506560.

The previous prime is 83125321837. The next prime is 83125321859. The reversal of 83125321855 is 55812352138.

It is not a de Polignac number, because 83125321855 - 2²³ = 83116933247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83125321859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1781292 + ... + 1827361.

It is an arithmetic number, because the mean of its divisors is an integer number (6625488744).

Almost surely, 2^83125321855 is an apocalyptic number.

83125321855 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

83125321855 is a deficient number, since it is larger than the sum of its proper divisors (22882498049).

83125321855 is a wasteful number, since it uses less digits than its factorization.

83125321855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608946.

The product of its digits is 288000, while the sum is 43.

The spelling of 83125321855 in words is "eighty-three billion, one hundred twenty-five million, three hundred twenty-one thousand, eight hundred fifty-five".