40525587911 has 2 divisors, whose sum is σ = 40525587912. Its totient is φ = 40525587910.

The previous prime is 40525587799. The next prime is 40525587953. The reversal of 40525587911 is 11978552504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40525587911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40525587511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262793955 + 20262793956.

It is an arithmetic number, because the mean of its divisors is an integer number (20262793956).

Almost surely, 2^40525587911 is an apocalyptic number.

40525587911 is a deficient number, since it is larger than the sum of its proper divisors (1).

40525587911 is an equidigital number, since it uses as much as digits as its factorization.

40525587911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 40525587911 in words is "forty billion, five hundred twenty-five million, five hundred eighty-seven thousand, nine hundred eleven".