2011540106 has 4 divisors (see below), whose sum is σ = 3017310162. Its totient is φ = 1005770052.

The previous prime is 2011540067. The next prime is 2011540117. The reversal of 2011540106 is 6010451102.

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

It can be written as a sum of positive squares in only one way, i.e., 1768959481 + 242580625 = 42059^2 + 15575^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502885025 + ... + 502885028.

Almost surely, 2^2011540106 is an apocalyptic number.

2011540106 is a deficient number, since it is larger than the sum of its proper divisors (1005770056).

2011540106 is a wasteful number, since it uses less digits than its factorization.

2011540106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005770055.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2011540106 is about 44850.1962760477. The cubic root of 2011540106 is about 1262.3396743899.

Adding to 2011540106 its reverse (6010451102), we get a palindrome (8021991208).

The spelling of 2011540106 in words is "two billion, eleven million, five hundred forty thousand, one hundred six".