40054255511 has 2 divisors, whose sum is σ = 40054255512. Its totient is φ = 40054255510.

The previous prime is 40054255421. The next prime is 40054255517. The reversal of 40054255511 is 11555245004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40054255511 is a prime.

It is a super-2 number, since 2×40054255511² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40054255517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20027127755 + 20027127756.

It is an arithmetic number, because the mean of its divisors is an integer number (20027127756).

Almost surely, 2^40054255511 is an apocalyptic number.

40054255511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40054255511 is an equidigital number, since it uses as much as digits as its factorization.

40054255511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 40054255511 in words is "forty billion, fifty-four million, two hundred fifty-five thousand, five hundred eleven".