4011557941 has 2 divisors, whose sum is σ = 4011557942. Its totient is φ = 4011557940.

The previous prime is 4011557839. The next prime is 4011557947. The reversal of 4011557941 is 1497551104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3825917316 + 185640625 = 61854^2 + 13625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4011557941 - 2²¹ = 4009460789 is a prime.

It is a super-2 number, since 2×4011557941² = 32185194228000318962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4011557941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4011557947) 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, 2005778970 + 2005778971.

It is an arithmetic number, because the mean of its divisors is an integer number (2005778971).

Almost surely, 2^4011557941 is an apocalyptic number.

It is an amenable number.

4011557941 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011557941 is an equidigital number, since it uses as much as digits as its factorization.

4011557941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 4011557941 is about 63336.8608394827. The cubic root of 4011557941 is about 1588.9285057017.

The spelling of 4011557941 in words is "four billion, eleven million, five hundred fifty-seven thousand, nine hundred forty-one".