865100388411 has 12 divisors (see below), whose sum is σ = 1428102228592. Its totient is φ = 494343079056.

The previous prime is 865100388409. The next prime is 865100388419. The reversal of 865100388411 is 114883001568.

It is not a de Polignac number, because 865100388411 - 2¹ = 865100388409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (865100388419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6865876036 + ... + 6865876161.

Almost surely, 2^865100388411 is an apocalyptic number.

865100388411 is a deficient number, since it is larger than the sum of its proper divisors (563001840181).

865100388411 is a wasteful number, since it uses less digits than its factorization.

865100388411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13731752210 (or 13731752207 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

Adding to 865100388411 its reverse (114883001568), we get a palindrome (979983389979).

The spelling of 865100388411 in words is "eight hundred sixty-five billion, one hundred million, three hundred eighty-eight thousand, four hundred eleven".