110513373661 has 2 divisors, whose sum is σ = 110513373662. Its totient is φ = 110513373660.

The previous prime is 110513373653. The next prime is 110513373673. The reversal of 110513373661 is 166373315011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109697414436 + 815959225 = 331206^2 + 28565^2 .

It is a cyclic number.

It is not a de Polignac number, because 110513373661 - 2³ = 110513373653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110513373661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110513373161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55256686830 + 55256686831.

It is an arithmetic number, because the mean of its divisors is an integer number (55256686831).

Almost surely, 2^110513373661 is an apocalyptic number.

It is an amenable number.

110513373661 is a deficient number, since it is larger than the sum of its proper divisors (1).

110513373661 is an equidigital number, since it uses as much as digits as its factorization.

110513373661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

Adding to 110513373661 its reverse (166373315011), we get a palindrome (276886688672).

The spelling of 110513373661 in words is "one hundred ten billion, five hundred thirteen million, three hundred seventy-three thousand, six hundred sixty-one".