40215162222211 has 4 divisors (see below), whose sum is σ = 40571048613672. Its totient is φ = 39859275830752.

The previous prime is 40215162222139. The next prime is 40215162222217. The reversal of 40215162222211 is 11222226151204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40215162222211 - 2²⁷ = 40215028004483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40215162222217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177943195561 + ... + 177943195786.

It is an arithmetic number, because the mean of its divisors is an integer number (10142762153418).

Almost surely, 2^{40215162222211} is an apocalyptic number.

40215162222211 is a deficient number, since it is larger than the sum of its proper divisors (355886391461).

40215162222211 is a wasteful number, since it uses less digits than its factorization.

40215162222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355886391460.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 40215162222211 its reverse (11222226151204), we get a palindrome (51437388373415).

The spelling of 40215162222211 in words is "forty trillion, two hundred fifteen billion, one hundred sixty-two million, two hundred twenty-two thousand, two hundred eleven".