111625000001 has 2 divisors, whose sum is σ = 111625000002. Its totient is φ = 111625000000.

The previous prime is 111624999979. The next prime is 111625000031. The reversal of 111625000001 is 100000526111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83045406976 + 28579593025 = 288176^2 + 169055^2 .

It is an emirp because it is prime and its reverse (100000526111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111625000001 - 2³⁰ = 110551258177 is a prime.

It is not a weakly prime, because it can be changed into another prime (111625000031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55812500000 + 55812500001.

It is an arithmetic number, because the mean of its divisors is an integer number (55812500001).

Almost surely, 2^111625000001 is an apocalyptic number.

It is an amenable number.

111625000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111625000001 is an equidigital number, since it uses as much as digits as its factorization.

111625000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 111625000001 its reverse (100000526111), we get a palindrome (211625526112).

The spelling of 111625000001 in words is "one hundred eleven billion, six hundred twenty-five million, one", and thus it is an aban number.