4115820061 has 4 divisors (see below), whose sum is σ = 4119607552. Its totient is φ = 4112032572.

The previous prime is 4115820047. The next prime is 4115820067. The reversal of 4115820061 is 1600285114.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4115820061 - 2⁷ = 4115819933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4115820067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892115 + ... + 1894288.

It is an arithmetic number, because the mean of its divisors is an integer number (1029901888).

Almost surely, 2^4115820061 is an apocalyptic number.

It is an amenable number.

4115820061 is a deficient number, since it is larger than the sum of its proper divisors (3787491).

4115820061 is a wasteful number, since it uses less digits than its factorization.

4115820061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787490.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 4115820061 is about 64154.6573601637. The cubic root of 4115820061 is about 1602.5765856361.

The spelling of 4115820061 in words is "four billion, one hundred fifteen million, eight hundred twenty thousand, sixty-one".