15534034045 has 4 divisors (see below), whose sum is σ = 18640840860. Its totient is φ = 12427227232.

The previous prime is 15534034037. The next prime is 15534034069. The reversal of 15534034045 is 54043043551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2904994404 + 12629039641 = 53898^2 + 112379^2 .

It is a cyclic number.

It is not a de Polignac number, because 15534034045 - 2³ = 15534034037 is a prime.

It is a super-2 number, since 2×15534034045² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15534034045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553403400 + ... + 1553403409.

It is an arithmetic number, because the mean of its divisors is an integer number (4660210215).

Almost surely, 2^15534034045 is an apocalyptic number.

It is an amenable number.

15534034045 is a deficient number, since it is larger than the sum of its proper divisors (3106806815).

15534034045 is an equidigital number, since it uses as much as digits as its factorization.

15534034045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106806814.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 15534034045 its reverse (54043043551), we get a palindrome (69577077596).

The spelling of 15534034045 in words is "fifteen billion, five hundred thirty-four million, thirty-four thousand, forty-five".