110401063661 has 32 divisors (see below), whose sum is σ = 130007973888. Its totient is φ = 91796328000.

The previous prime is 110401063607. The next prime is 110401063667. The reversal of 110401063661 is 166360104011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110401063661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110401063667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28696040 + ... + 28699886.

It is an arithmetic number, because the mean of its divisors is an integer number (4062749184).

Almost surely, 2^110401063661 is an apocalyptic number.

It is an amenable number.

110401063661 is a deficient number, since it is larger than the sum of its proper divisors (19606910227).

110401063661 is a wasteful number, since it uses less digits than its factorization.

110401063661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 110401063661 its reverse (166360104011), we get a palindrome (276761167672).

It can be divided in two parts, 11040 and 1063661, that added together give a palindrome (1074701).

The spelling of 110401063661 in words is "one hundred ten billion, four hundred one million, sixty-three thousand, six hundred sixty-one".