551048840155 has 32 divisors (see below), whose sum is σ = 728514420480. Its totient is φ = 396810852480.

The previous prime is 551048840143. The next prime is 551048840159.

It is a happy number.

551048840155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551048840155 - 2¹¹ = 551048838107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551048840159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2754964 + ... + 2948206.

It is an arithmetic number, because the mean of its divisors is an integer number (22766075640).

Almost surely, 2^551048840155 is an apocalyptic number.

551048840155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551048840155 is a deficient number, since it is larger than the sum of its proper divisors (177465580325).

551048840155 is a wasteful number, since it uses less digits than its factorization.

551048840155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193771.

The product of its (nonzero) digits is 640000, while the sum is 46.

The spelling of 551048840155 in words is "five hundred fifty-one billion, forty-eight million, eight hundred forty thousand, one hundred fifty-five".