215040156443357 has 12 divisors (see below), whose sum is σ = 263314477278720. Its totient is φ = 174619074404376.

The previous prime is 215040156443309. The next prime is 215040156443363. The reversal of 215040156443357 is 753344651040512.

It is not a de Polignac number, because 215040156443357 - 2¹⁰ = 215040156442333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215040156443257) 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 11 ways as a sum of consecutive naturals, for example, 115488804893 + ... + 115488806754.

It is an arithmetic number, because the mean of its divisors is an integer number (21942873106560).

Almost surely, 2^{215040156443357} is an apocalyptic number.

It is an amenable number.

215040156443357 is a deficient number, since it is larger than the sum of its proper divisors (48274320835363).

215040156443357 is a wasteful number, since it uses less digits than its factorization.

215040156443357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230977611680 (or 230977611673 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 215040156443357 in words is "two hundred fifteen trillion, forty billion, one hundred fifty-six million, four hundred forty-three thousand, three hundred fifty-seven".