99011503 has 4 divisors (see below), whose sum is σ = 99767448. Its totient is φ = 98255560.

The previous prime is 99011477. The next prime is 99011513. The reversal of 99011503 is 30511099.

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 99011503 - 2²¹ = 96914351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99011513) 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, 377776 + ... + 378037.

It is an arithmetic number, because the mean of its divisors is an integer number (24941862).

Almost surely, 2^99011503 is an apocalyptic number.

99011503 is a deficient number, since it is larger than the sum of its proper divisors (755945).

99011503 is a wasteful number, since it uses less digits than its factorization.

99011503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755944.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 99011503 is about 9950.4524017755. The cubic root of 99011503 is about 462.6244172701.

The spelling of 99011503 in words is "ninety-nine million, eleven thousand, five hundred three".