103255511 has 4 divisors (see below), whose sum is σ = 103397112. Its totient is φ = 103113912.

The previous prime is 103255469. The next prime is 103255517. The reversal of 103255511 is 115552301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115552301 = 103 ⋅1121867.

It is a cyclic number.

It is not a de Polignac number, because 103255511 - 2¹⁴ = 103239127 is a prime.

It is a super-2 number, since 2×103255511² = 21323401103742242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103255517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69701 + ... + 71166.

It is an arithmetic number, because the mean of its divisors is an integer number (25849278).

Almost surely, 2^103255511 is an apocalyptic number.

103255511 is a deficient number, since it is larger than the sum of its proper divisors (141601).

103255511 is an equidigital number, since it uses as much as digits as its factorization.

103255511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141600.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 103255511 is about 10161.4718914142. The cubic root of 103255511 is about 469.1421063792.

The spelling of 103255511 in words is "one hundred three million, two hundred fifty-five thousand, five hundred eleven".