815135576045 has 8 divisors (see below), whose sum is σ = 1117900218624. Its totient is φ = 558950109264.

The previous prime is 815135575981. The next prime is 815135576051. The reversal of 815135576045 is 540675531518.

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

It is a cyclic number.

It is not a de Polignac number, because 815135576045 - 2⁶ = 815135575981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 815135575984 and 815135576002.

It is a congruent number.

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, 11644793909 + ... + 11644793978.

It is an arithmetic number, because the mean of its divisors is an integer number (139737527328).

Almost surely, 2^815135576045 is an apocalyptic number.

It is an amenable number.

815135576045 is a deficient number, since it is larger than the sum of its proper divisors (302764642579).

815135576045 is a wasteful number, since it uses less digits than its factorization.

815135576045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289587899.

The product of its (nonzero) digits is 2520000, while the sum is 50.

The spelling of 815135576045 in words is "eight hundred fifteen billion, one hundred thirty-five million, five hundred seventy-six thousand, forty-five".