10981577 has 2 divisors, whose sum is σ = 10981578. Its totient is φ = 10981576.

The previous prime is 10981573. The next prime is 10981583. The reversal of 10981577 is 77518901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9066121 + 1915456 = 3011^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 10981577 - 2² = 10981573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10981577.

It is not a weakly prime, because it can be changed into another prime (10981573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5490788 + 5490789.

It is an arithmetic number, because the mean of its divisors is an integer number (5490789).

Almost surely, 2^10981577 is an apocalyptic number.

It is an amenable number.

10981577 is a deficient number, since it is larger than the sum of its proper divisors (1).

10981577 is an equidigital number, since it uses as much as digits as its factorization.

10981577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 10981577 is about 3313.8462547318. The cubic root of 10981577 is about 222.2737809349.

The spelling of 10981577 in words is "ten million, nine hundred eighty-one thousand, five hundred seventy-seven".