16552125503 has 4 divisors (see below), whose sum is σ = 16553549880. Its totient is φ = 16550701128.

The previous prime is 16552125479. The next prime is 16552125511. The reversal of 16552125503 is 30552125561.

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 16552125503 - 2¹² = 16552121407 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 (16552125533) 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, 694613 + ... + 718046.

It is an arithmetic number, because the mean of its divisors is an integer number (4138387470).

Almost surely, 2^16552125503 is an apocalyptic number.

16552125503 is a deficient number, since it is larger than the sum of its proper divisors (1424377).

16552125503 is a wasteful number, since it uses less digits than its factorization.

16552125503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424376.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 16552125503 in words is "sixteen billion, five hundred fifty-two million, one hundred twenty-five thousand, five hundred three".