103020504511 has 4 divisors (see below), whose sum is σ = 106343746624. Its totient is φ = 99697262400.

The previous prime is 103020504443. The next prime is 103020504569. The reversal of 103020504511 is 115405020301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103020504511 - 2⁷ = 103020504383 is a prime.

It is a super-2 number, since 2×103020504511² (a number of 23 digits) 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 (103020504581) 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, 1661621010 + ... + 1661621071.

It is an arithmetic number, because the mean of its divisors is an integer number (26585936656).

Almost surely, 2^103020504511 is an apocalyptic number.

103020504511 is a deficient number, since it is larger than the sum of its proper divisors (3323242113).

103020504511 is an equidigital number, since it uses as much as digits as its factorization.

103020504511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323242112.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 103020504511 its reverse (115405020301), we get a palindrome (218425524812).

The spelling of 103020504511 in words is "one hundred three billion, twenty million, five hundred four thousand, five hundred eleven".