550015611155 has 8 divisors (see below), whose sum is σ = 661444262592. Its totient is φ = 439062136128.

The previous prime is 550015611151. The next prime is 550015611161. The reversal of 550015611155 is 551116510055.

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 550015611155 - 2² = 550015611151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550015611151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118791554 + ... + 118796183.

It is an arithmetic number, because the mean of its divisors is an integer number (82680532824).

Almost surely, 2^550015611155 is an apocalyptic number.

550015611155 is a deficient number, since it is larger than the sum of its proper divisors (111428651437).

550015611155 is a wasteful number, since it uses less digits than its factorization.

550015611155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237588205.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 550015611155 in words is "five hundred fifty billion, fifteen million, six hundred eleven thousand, one hundred fifty-five".