11161103631 has 8 divisors (see below), whose sum is σ = 15361519104. Its totient is φ = 7200711960.

The previous prime is 11161103627. The next prime is 11161103713. The reversal of 11161103631 is 13630116111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11161103631 - 2² = 11161103627 is a prime.

It is a super-2 number, since 2×11161103631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161103431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60005841 + ... + 60006026.

It is an arithmetic number, because the mean of its divisors is an integer number (1920189888).

Almost surely, 2^11161103631 is an apocalyptic number.

11161103631 is a deficient number, since it is larger than the sum of its proper divisors (4200415473).

11161103631 is a wasteful number, since it uses less digits than its factorization.

11161103631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120011901.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 11161103631 its reverse (13630116111), we get a palindrome (24791219742).

The spelling of 11161103631 in words is "eleven billion, one hundred sixty-one million, one hundred three thousand, six hundred thirty-one".