550156115065 has 8 divisors (see below), whose sum is σ = 660209070600. Its totient is φ = 440110403712.

The previous prime is 550156115029. The next prime is 550156115077. The reversal of 550156115065 is 560511651055.

It can be written as a sum of positive squares in 4 ways, for example, as 249908008464 + 300248106601 = 499908^2 + 547949^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550156115065 is a prime.

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, 1642540 + ... + 1948909.

It is an arithmetic number, because the mean of its divisors is an integer number (82526133825).

Almost surely, 2^550156115065 is an apocalyptic number.

It is an amenable number.

550156115065 is a deficient number, since it is larger than the sum of its proper divisors (110052955535).

550156115065 is a wasteful number, since it uses less digits than its factorization.

550156115065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622091.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 550156115065 in words is "five hundred fifty billion, one hundred fifty-six million, one hundred fifteen thousand, sixty-five".