40987925911 has 2 divisors, whose sum is σ = 40987925912. Its totient is φ = 40987925910.

The previous prime is 40987925887. The next prime is 40987926029. The reversal of 40987925911 is 11952978904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40987925911 - 2¹⁵ = 40987893143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40987925311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20493962955 + 20493962956.

It is an arithmetic number, because the mean of its divisors is an integer number (20493962956).

Almost surely, 2^40987925911 is an apocalyptic number.

40987925911 is a deficient number, since it is larger than the sum of its proper divisors (1).

40987925911 is an equidigital number, since it uses as much as digits as its factorization.

40987925911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 40987925911 in words is "forty billion, nine hundred eighty-seven million, nine hundred twenty-five thousand, nine hundred eleven".