3865098211320 has 128 divisors (see below), whose sum is σ = 11788017143040. Its totient is φ = 1013643371520.

The previous prime is 3865098211279. The next prime is 3865098211333. The reversal of 3865098211320 is 231128905683.

It is a super-2 number, since 2×3865098211320² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3865098211320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2403955 + ... + 3675485.

It is an arithmetic number, because the mean of its divisors is an integer number (92093883930).

Almost surely, 2^{3865098211320} is an apocalyptic number.

3865098211320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3865098211320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5894008571520).

3865098211320 is an abundant number, since it is smaller than the sum of its proper divisors (7922918931720).

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

3865098211320 is a wasteful number, since it uses less digits than its factorization.

3865098211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271965 (or 1271961 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 3865098211320 in words is "three trillion, eight hundred sixty-five billion, ninety-eight million, two hundred eleven thousand, three hundred twenty".