40141111987 has 2 divisors, whose sum is σ = 40141111988. Its totient is φ = 40141111986.

The previous prime is 40141111979. The next prime is 40141111991. The reversal of 40141111987 is 78911114104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40141111987 - 2³ = 40141111979 is a prime.

It is a super-2 number, since 2×40141111987² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40141111687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070555993 + 20070555994.

It is an arithmetic number, because the mean of its divisors is an integer number (20070555994).

Almost surely, 2^40141111987 is an apocalyptic number.

40141111987 is a deficient number, since it is larger than the sum of its proper divisors (1).

40141111987 is an equidigital number, since it uses as much as digits as its factorization.

40141111987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 37.

The spelling of 40141111987 in words is "forty billion, one hundred forty-one million, one hundred eleven thousand, nine hundred eighty-seven".