6240105212091 has 8 divisors (see below), whose sum is σ = 8320153716240. Its totient is φ = 4160063424672.

The previous prime is 6240105212087. The next prime is 6240105212093. The reversal of 6240105212091 is 1902125010426.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6240105212091 - 2² = 6240105212087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6240105212093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187925 + ... + 3727113.

It is an arithmetic number, because the mean of its divisors is an integer number (1040019214530).

Almost surely, 2^{6240105212091} is an apocalyptic number.

6240105212091 is a deficient number, since it is larger than the sum of its proper divisors (2080048504149).

6240105212091 is a wasteful number, since it uses less digits than its factorization.

6240105212091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358365.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 6240105212091 in words is "six trillion, two hundred forty billion, one hundred five million, two hundred twelve thousand, ninety-one".