40748557511 has 2 divisors, whose sum is σ = 40748557512. Its totient is φ = 40748557510.

The previous prime is 40748557483. The next prime is 40748557513. The reversal of 40748557511 is 11575584704.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40748557511 is a prime.

Together with 40748557513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40748557513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20374278755 + 20374278756.

It is an arithmetic number, because the mean of its divisors is an integer number (20374278756).

Almost surely, 2^40748557511 is an apocalyptic number.

40748557511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40748557511 is an equidigital number, since it uses as much as digits as its factorization.

40748557511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784000, while the sum is 47.

The spelling of 40748557511 in words is "forty billion, seven hundred forty-eight million, five hundred fifty-seven thousand, five hundred eleven".