6140215631251 has 32 divisors (see below), whose sum is σ = 6694002137088. Its totient is φ = 5598446353920.

The previous prime is 6140215631213. The next prime is 6140215631273. The reversal of 6140215631251 is 1521365120416.

It is a cyclic number.

It is not a de Polignac number, because 6140215631251 - 2²³ = 6140207242643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6140215631251.

It is not an unprimeable number, because it can be changed into a prime (6140215631051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523412056 + ... + 523423786.

It is an arithmetic number, because the mean of its divisors is an integer number (209187566784).

Almost surely, 2^{6140215631251} is an apocalyptic number.

6140215631251 is a deficient number, since it is larger than the sum of its proper divisors (553786505837).

6140215631251 is a wasteful number, since it uses less digits than its factorization.

6140215631251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 6140215631251 in words is "six trillion, one hundred forty billion, two hundred fifteen million, six hundred thirty-one thousand, two hundred fifty-one".