515041145545 has 8 divisors (see below), whose sum is σ = 618313625280. Its totient is φ = 411856749360.

The previous prime is 515041145533. The next prime is 515041145551. The reversal of 515041145545 is 545541140515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 515041145545 - 2⁹ = 515041145033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 515041145498 and 515041145507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22008021 + ... + 22031410.

It is an arithmetic number, because the mean of its divisors is an integer number (77289203160).

Almost surely, 2^515041145545 is an apocalyptic number.

It is an amenable number.

515041145545 is a deficient number, since it is larger than the sum of its proper divisors (103272479735).

515041145545 is a wasteful number, since it uses less digits than its factorization.

515041145545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44041775.

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 515041145545 in words is "five hundred fifteen billion, forty-one million, one hundred forty-five thousand, five hundred forty-five".