900180011 has 4 divisors (see below), whose sum is σ = 900291672. Its totient is φ = 900068352.

The previous prime is 900179983. The next prime is 900180059. The reversal of 900180011 is 110081009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110081009 = 5003 ⋅22003.

It is a cyclic number.

It is not a de Polignac number, because 900180011 - 2⁶ = 900179947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900180811) 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, 42710 + ... + 60203.

It is an arithmetic number, because the mean of its divisors is an integer number (225072918).

Almost surely, 2^900180011 is an apocalyptic number.

900180011 is a deficient number, since it is larger than the sum of its proper divisors (111661).

900180011 is a wasteful number, since it uses less digits than its factorization.

900180011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111660.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 900180011 is about 30003.0000333300. Note that the first 4 decimals coincide. The cubic root of 900180011 is about 965.5537502070.

The spelling of 900180011 in words is "nine hundred million, one hundred eighty thousand, eleven".