15541145345 has 32 divisors (see below), whose sum is σ = 20628203904. Its totient is φ = 11145702400.

The previous prime is 15541145311. The next prime is 15541145351. The reversal of 15541145345 is 54354114551.

It is not a de Polignac number, because 15541145345 - 2⁶ = 15541145281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15541145299 and 15541145308.

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, 2704175 + ... + 2709915.

It is an arithmetic number, because the mean of its divisors is an integer number (644631372).

Almost surely, 2^15541145345 is an apocalyptic number.

It is an amenable number.

15541145345 is a deficient number, since it is larger than the sum of its proper divisors (5087058559).

15541145345 is a wasteful number, since it uses less digits than its factorization.

15541145345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433.

The product of its digits is 120000, while the sum is 38.

Adding to 15541145345 its reverse (54354114551), we get a palindrome (69895259896).

The spelling of 15541145345 in words is "fifteen billion, five hundred forty-one million, one hundred forty-five thousand, three hundred forty-five".