10611211601 has 4 divisors (see below), whose sum is σ = 10716273204. Its totient is φ = 10506150000.

The previous prime is 10611211553. The next prime is 10611211613.

It is a happy number.

10611211601 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6561162001 + 4050049600 = 81001^2 + 63640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10611211601 is a prime.

It is a super-2 number, since 2×10611211601² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10611211201) 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, 52530650 + ... + 52530851.

It is an arithmetic number, because the mean of its divisors is an integer number (2679068301).

Almost surely, 2^10611211601 is an apocalyptic number.

It is an amenable number.

10611211601 is a deficient number, since it is larger than the sum of its proper divisors (105061603).

10611211601 is a wasteful number, since it uses less digits than its factorization.

10611211601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105061602.

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

The spelling of 10611211601 in words is "ten billion, six hundred eleven million, two hundred eleven thousand, six hundred one".