1163625101 has 2 divisors, whose sum is σ = 1163625102. Its totient is φ = 1163625100.

The previous prime is 1163625079. The next prime is 1163625103. The reversal of 1163625101 is 1015263611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808264900 + 355360201 = 28430^2 + 18851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163625101 is a prime.

Together with 1163625103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163625103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581812550 + 581812551.

It is an arithmetic number, because the mean of its divisors is an integer number (581812551).

Almost surely, 2^1163625101 is an apocalyptic number.

It is an amenable number.

1163625101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163625101 is an equidigital number, since it uses as much as digits as its factorization.

1163625101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1163625101 is about 34111.9495338510. The cubic root of 1163625101 is about 1051.8109642773.

Adding to 1163625101 its reverse (1015263611), we get a palindrome (2178888712).

The spelling of 1163625101 in words is "one billion, one hundred sixty-three million, six hundred twenty-five thousand, one hundred one".