101115913 has 2 divisors, whose sum is σ = 101115914. Its totient is φ = 101115912.

The previous prime is 101115907. The next prime is 101115943. The reversal of 101115913 is 319511101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100741369 + 374544 = 10037^2 + 612^2 .

It is a cyclic number.

It is not a de Polignac number, because 101115913 - 2⁹ = 101115401 is a prime.

It is not a weakly prime, because it can be changed into another prime (101115943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50557956 + 50557957.

It is an arithmetic number, because the mean of its divisors is an integer number (50557957).

Almost surely, 2^101115913 is an apocalyptic number.

It is an amenable number.

101115913 is a deficient number, since it is larger than the sum of its proper divisors (1).

101115913 is an equidigital number, since it uses as much as digits as its factorization.

101115913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 22.

The square root of 101115913 is about 10055.6408547641. The cubic root of 101115913 is about 465.8790371073.

The spelling of 101115913 in words is "one hundred one million, one hundred fifteen thousand, nine hundred thirteen".