11651016101 has 4 divisors (see below), whose sum is σ = 11696351052. Its totient is φ = 11605681152.

The previous prime is 11651016089. The next prime is 11651016119. The reversal of 11651016101 is 10161015611.

It is a happy number.

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 8902111201 + 2748904900 = 94351^2 + 52430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11651016101 is a prime.

It is a super-2 number, since 2×11651016101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11651016401) 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, 22667090 + ... + 22667603.

It is an arithmetic number, because the mean of its divisors is an integer number (2924087763).

Almost surely, 2^11651016101 is an apocalyptic number.

It is an amenable number.

11651016101 is a deficient number, since it is larger than the sum of its proper divisors (45334951).

11651016101 is an equidigital number, since it uses as much as digits as its factorization.

11651016101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45334950.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 11651016101 in words is "eleven billion, six hundred fifty-one million, sixteen thousand, one hundred one".