551174471155 has 48 divisors (see below), whose sum is σ = 888712515936. Its totient is φ = 323378119680.

The previous prime is 551174471153. The next prime is 551174471161.

551174471155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551174471155 - 2¹ = 551174471153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551174471153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5969404 + ... + 6061033.

It is an arithmetic number, because the mean of its divisors is an integer number (18514844082).

Almost surely, 2^551174471155 is an apocalyptic number.

551174471155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551174471155 is a deficient number, since it is larger than the sum of its proper divisors (337538044781).

551174471155 is a wasteful number, since it uses less digits than its factorization.

551174471155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12030484 (or 12030477 counting only the distinct ones).

The product of its digits is 490000, while the sum is 46.

The spelling of 551174471155 in words is "five hundred fifty-one billion, one hundred seventy-four million, four hundred seventy-one thousand, one hundred fifty-five".