11913101 has 2 divisors, whose sum is σ = 11913102. Its totient is φ = 11913100.

The previous prime is 11913091. The next prime is 11913119. The reversal of 11913101 is 10131911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 857476 = 3325^2 + 926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11913101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11913101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11913131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5956550 + 5956551.

It is an arithmetic number, because the mean of its divisors is an integer number (5956551).

Almost surely, 2^11913101 is an apocalyptic number.

It is an amenable number.

11913101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11913101 is an equidigital number, since it uses as much as digits as its factorization.

11913101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 17.

The square root of 11913101 is about 3451.5360348691. The cubic root of 11913101 is about 228.3888728920.

The spelling of 11913101 in words is "eleven million, nine hundred thirteen thousand, one hundred one".