10161405032111 has 4 divisors (see below), whose sum is σ = 10300602361392. Its totient is φ = 10022207702832.

The previous prime is 10161405032041. The next prime is 10161405032123. The reversal of 10161405032111 is 11123050416101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10161405032111 is a prime.

It is a super-2 number, since 2×10161405032111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161405032171) 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, 69598664531 + ... + 69598664676.

It is an arithmetic number, because the mean of its divisors is an integer number (2575150590348).

Almost surely, 2^{10161405032111} is an apocalyptic number.

10161405032111 is a deficient number, since it is larger than the sum of its proper divisors (139197329281).

10161405032111 is an equidigital number, since it uses as much as digits as its factorization.

10161405032111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139197329280.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 10161405032111 its reverse (11123050416101), we get a palindrome (21284455448212).

The spelling of 10161405032111 in words is "ten trillion, one hundred sixty-one billion, four hundred five million, thirty-two thousand, one hundred eleven".