551226622155 has 32 divisors (see below), whose sum is σ = 988144835328. Its totient is φ = 260038108800.

The previous prime is 551226622129. The next prime is 551226622181.

It is a happy number.

551226622155 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (551226622129) and next prime (551226622181).

It is not a de Polignac number, because 551226622155 - 2⁶ = 551226622091 is a prime.

It is a super-2 number, since 2×551226622155² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45139401 + ... + 45151610.

It is an arithmetic number, because the mean of its divisors is an integer number (30879526104).

Almost surely, 2^551226622155 is an apocalyptic number.

551226622155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551226622155 is a deficient number, since it is larger than the sum of its proper divisors (436918213173).

551226622155 is a wasteful number, since it uses less digits than its factorization.

551226622155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90291067.

The product of its digits is 360000, while the sum is 42.

The spelling of 551226622155 in words is "five hundred fifty-one billion, two hundred twenty-six million, six hundred twenty-two thousand, one hundred fifty-five".