83111465280 has 56 divisors (see below), whose sum is σ = 263878905312. Its totient is φ = 22163057152.

The previous prime is 83111465273. The next prime is 83111465299. The reversal of 83111465280 is 8256411138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43286262 + ... + 43288181.

Almost surely, 2^83111465280 is an apocalyptic number.

83111465280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83111465280 is an abundant number, since it is smaller than the sum of its proper divisors (180767440032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83111465280 is a wasteful number, since it uses less digits than its factorization.

83111465280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86574463 (or 86574453 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 83111465280 in words is "eighty-three billion, one hundred eleven million, four hundred sixty-five thousand, two hundred eighty".