103507090591 has 4 divisors (see below), whose sum is σ = 103509681184. Its totient is φ = 103504500000.

The previous prime is 103507090573. The next prime is 103507090619. The reversal of 103507090591 is 195090705301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195090705301 = 1709 ⋅114154889.

It is a cyclic number.

It is not a de Polignac number, because 103507090591 - 2¹¹ = 103507088543 is a prime.

It is a super-2 number, since 2×103507090591² (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 (103507090541) 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 3 ways as a sum of consecutive naturals, for example, 1234410 + ... + 1315591.

It is an arithmetic number, because the mean of its divisors is an integer number (25877420296).

Almost surely, 2^103507090591 is an apocalyptic number.

103507090591 is a deficient number, since it is larger than the sum of its proper divisors (2590593).

103507090591 is an equidigital number, since it uses as much as digits as its factorization.

103507090591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590592.

The product of its (nonzero) digits is 42525, while the sum is 40.

Adding to 103507090591 its reverse (195090705301), we get a palindrome (298597795892).

The spelling of 103507090591 in words is "one hundred three billion, five hundred seven million, ninety thousand, five hundred ninety-one".