15545104123245 has 32 divisors (see below), whose sum is σ = 25967393379072. Its totient is φ = 7926030723072.

The previous prime is 15545104123229. The next prime is 15545104123253. The reversal of 15545104123245 is 54232140154551.

It is not a de Polignac number, because 15545104123245 - 2⁴ = 15545104123229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15545104123197 and 15545104123206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11355172 + ... + 12650301.

It is an arithmetic number, because the mean of its divisors is an integer number (811481043096).

Almost surely, 2^{15545104123245} is an apocalyptic number.

15545104123245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15545104123245 is a deficient number, since it is larger than the sum of its proper divisors (10422289255827).

15545104123245 is a wasteful number, since it uses less digits than its factorization.

15545104123245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24007381.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 15545104123245 its reverse (54232140154551), we get a palindrome (69777244277796).

The spelling of 15545104123245 in words is "fifteen trillion, five hundred forty-five billion, one hundred four million, one hundred twenty-three thousand, two hundred forty-five".