103049984551 has 4 divisors (see below), whose sum is σ = 103071507400. Its totient is φ = 103028461704.

The previous prime is 103049984509. The next prime is 103049984563. The reversal of 103049984551 is 155489940301.

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: 155489940301 = 23 ⋅6760432187.

It is a cyclic number.

It is not a de Polignac number, because 103049984551 - 2¹⁹ = 103049460263 is a prime.

It is a super-2 number, since 2×103049984551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103049984495 and 103049984504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103049984501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10754241 + ... + 10763818.

It is an arithmetic number, because the mean of its divisors is an integer number (25767876850).

Almost surely, 2^103049984551 is an apocalyptic number.

103049984551 is a deficient number, since it is larger than the sum of its proper divisors (21522849).

103049984551 is an equidigital number, since it uses as much as digits as its factorization.

103049984551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21522848.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 103049984551 in words is "one hundred three billion, forty-nine million, nine hundred eighty-four thousand, five hundred fifty-one".