40235055061 has 2 divisors, whose sum is σ = 40235055062. Its totient is φ = 40235055060.

The previous prime is 40235055059. The next prime is 40235055071. The reversal of 40235055061 is 16055053204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39270952561 + 964102500 = 198169^2 + 31050^2 .

It is a cyclic number.

It is not a de Polignac number, because 40235055061 - 2¹ = 40235055059 is a prime.

Together with 40235055059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40235055041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117527530 + 20117527531.

It is an arithmetic number, because the mean of its divisors is an integer number (20117527531).

Almost surely, 2^40235055061 is an apocalyptic number.

It is an amenable number.

40235055061 is a deficient number, since it is larger than the sum of its proper divisors (1).

40235055061 is an equidigital number, since it uses as much as digits as its factorization.

40235055061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 40235055061 in words is "forty billion, two hundred thirty-five million, fifty-five thousand, sixty-one".