2861200081337 has 4 divisors (see below), whose sum is σ = 3081292395300. Its totient is φ = 2641107767376.

The previous prime is 2861200081309. The next prime is 2861200081339. The reversal of 2861200081337 is 7331800021682.

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 824725524736 + 2036474556601 = 908144^2 + 1427051^2 .

It is not a de Polignac number, because 2861200081337 - 2²⁴ = 2861183304121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2861200081294 and 2861200081303.

It is not an unprimeable number, because it can be changed into a prime (2861200081339) 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, 110046156962 + ... + 110046156987.

It is an arithmetic number, because the mean of its divisors is an integer number (770323098825).

Almost surely, 2^{2861200081337} is an apocalyptic number.

It is an amenable number.

2861200081337 is a deficient number, since it is larger than the sum of its proper divisors (220092313963).

2861200081337 is a wasteful number, since it uses less digits than its factorization.

2861200081337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220092313962.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 2861200081337 in words is "two trillion, eight hundred sixty-one billion, two hundred million, eighty-one thousand, three hundred thirty-seven".