40015512501247 has 2 divisors, whose sum is σ = 40015512501248. Its totient is φ = 40015512501246.

The previous prime is 40015512501229. The next prime is 40015512501253. The reversal of 40015512501247 is 74210521551004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40015512501247 - 2²⁷ = 40015378283519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40015512501347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007756250623 + 20007756250624.

It is an arithmetic number, because the mean of its divisors is an integer number (20007756250624).

Almost surely, 2^{40015512501247} is an apocalyptic number.

40015512501247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015512501247 is an equidigital number, since it uses as much as digits as its factorization.

40015512501247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 37.

The spelling of 40015512501247 in words is "forty trillion, fifteen billion, five hundred twelve million, five hundred one thousand, two hundred forty-seven".