4101215557 has 2 divisors, whose sum is σ = 4101215558. Its totient is φ = 4101215556.

The previous prime is 4101215551. The next prime is 4101215597. The reversal of 4101215557 is 7555121014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2616731716 + 1484483841 = 51154^2 + 38529^2 .

It is a cyclic number.

It is not a de Polignac number, because 4101215557 - 2²⁷ = 3966997829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4101215551) 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, 2050607778 + 2050607779.

It is an arithmetic number, because the mean of its divisors is an integer number (2050607779).

Almost surely, 2^4101215557 is an apocalyptic number.

It is an amenable number.

4101215557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4101215557 is an equidigital number, since it uses as much as digits as its factorization.

4101215557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 4101215557 is about 64040.7335763731. The cubic root of 4101215557 is about 1600.6788209450.

The spelling of 4101215557 in words is "four billion, one hundred one million, two hundred fifteen thousand, five hundred fifty-seven".