40215662515151 has 4 divisors (see below), whose sum is σ = 40215719208192. Its totient is φ = 40215605822112.

The previous prime is 40215662515129. The next prime is 40215662515169. The reversal of 40215662515151 is 15151526651204.

40215662515151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40215662515151 - 2¹⁸ = 40215662253007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40215662515051) 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 3 ways as a sum of consecutive naturals, for example, 27268826 + ... + 28705751.

It is an arithmetic number, because the mean of its divisors is an integer number (10053929802048).

Almost surely, 2^{40215662515151} is an apocalyptic number.

40215662515151 is a deficient number, since it is larger than the sum of its proper divisors (56693041).

40215662515151 is an equidigital number, since it uses as much as digits as its factorization.

40215662515151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56693040.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 40215662515151 in words is "forty trillion, two hundred fifteen billion, six hundred sixty-two million, five hundred fifteen thousand, one hundred fifty-one".