3561136990503 has 16 divisors (see below), whose sum is σ = 4752218854656. Its totient is φ = 2372073643520.

The previous prime is 3561136990501. The next prime is 3561136990577. The reversal of 3561136990503 is 3050996311653.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3561136990503 - 2¹ = 3561136990501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561136990501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38014600 + ... + 38108162.

It is an arithmetic number, because the mean of its divisors is an integer number (297013678416).

Almost surely, 2^{3561136990503} is an apocalyptic number.

3561136990503 is a deficient number, since it is larger than the sum of its proper divisors (1191081864153).

3561136990503 is a wasteful number, since it uses less digits than its factorization.

3561136990503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104214.

The product of its (nonzero) digits is 1968300, while the sum is 51.

The spelling of 3561136990503 in words is "three trillion, five hundred sixty-one billion, one hundred thirty-six million, nine hundred ninety thousand, five hundred three".