1201041611 has 16 divisors (see below), whose sum is σ = 1499635968. Its totient is φ = 934480800.

The previous prime is 1201041581. The next prime is 1201041613. The reversal of 1201041611 is 1161401021.

It is not a de Polignac number, because 1201041611 - 2¹⁸ = 1200779467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201041611.

It is not an unprimeable number, because it can be changed into a prime (1201041613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41921 + ... + 64493.

It is an arithmetic number, because the mean of its divisors is an integer number (93727248).

Almost surely, 2^1201041611 is an apocalyptic number.

1201041611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201041611 is a deficient number, since it is larger than the sum of its proper divisors (298594357).

1201041611 is a wasteful number, since it uses less digits than its factorization.

1201041611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23282.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1201041611 is about 34656.0472500832. The cubic root of 1201041611 is about 1062.9659460575.

Adding to 1201041611 its reverse (1161401021), we get a palindrome (2362442632).

The spelling of 1201041611 in words is "one billion, two hundred one million, forty-one thousand, six hundred eleven".