2115011 has 4 divisors (see below), whose sum is σ = 2206992. Its totient is φ = 2023032.

The previous prime is 2115007. The next prime is 2115013. The reversal of 2115011 is 1105112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2115011 - 2² = 2115007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2114983 and 2115001.

It is not an unprimeable number, because it can be changed into a prime (2115013) 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, 45956 + ... + 46001.

It is an arithmetic number, because the mean of its divisors is an integer number (551748).

2^2115011 is an apocalyptic number.

2115011 is a deficient number, since it is larger than the sum of its proper divisors (91981).

2115011 is an equidigital number, since it uses as much as digits as its factorization.

2115011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91980.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 2115011 is about 1454.3077390979. The cubic root of 2115011 is about 128.3623157495.

The spelling of 2115011 in words is "two million, one hundred fifteen thousand, eleven".