103509711 has 16 divisors (see below), whose sum is σ = 153506400. Its totient is φ = 68935104.

The previous prime is 103509709. The next prime is 103509733. The reversal of 103509711 is 117905301.

It is a happy number.

It is not a de Polignac number, because 103509711 - 2¹ = 103509709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103509011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43915 + ... + 46211.

It is an arithmetic number, because the mean of its divisors is an integer number (9594150).

Almost surely, 2^103509711 is an apocalyptic number.

103509711 is a deficient number, since it is larger than the sum of its proper divisors (49996689).

103509711 is a wasteful number, since it uses less digits than its factorization.

103509711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3969 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 103509711 is about 10173.9722331054. The cubic root of 103509711 is about 469.5267773518.

The spelling of 103509711 in words is "one hundred three million, five hundred nine thousand, seven hundred eleven".