83101120285481 has 4 divisors (see below), whose sum is σ = 83101141664964. Its totient is φ = 83101098906000.

The previous prime is 83101120285433. The next prime is 83101120285501. The reversal of 83101120285481 is 18458202110138.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62411722211881 + 20689398073600 = 7900109^2 + 4548560^2 .

It is a cyclic number.

It is not a de Polignac number, because 83101120285481 - 2⁴⁶ = 12732376107817 is a prime.

It is a super-2 number, since 2×83101120285481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83101120285681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029570 + ... + 13243131.

It is an arithmetic number, because the mean of its divisors is an integer number (20775285416241).

Almost surely, 2^{83101120285481} is an apocalyptic number.

It is an amenable number.

83101120285481 is a deficient number, since it is larger than the sum of its proper divisors (21379483).

83101120285481 is a wasteful number, since it uses less digits than its factorization.

83101120285481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21379482.

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 83101120285481 in words is "eighty-three trillion, one hundred one billion, one hundred twenty million, two hundred eighty-five thousand, four hundred eighty-one".