551542245155 has 8 divisors (see below), whose sum is σ = 722018939184. Its totient is φ = 401121632800.

The previous prime is 551542245139. The next prime is 551542245157.

It is a happy number.

551542245155 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 551542245155 - 2⁴ = 551542245139 is a prime.

It is a super-3 number, since 3×551542245155³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551542245157) 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, 5014020356 + ... + 5014020465.

It is an arithmetic number, because the mean of its divisors is an integer number (90252367398).

Almost surely, 2^551542245155 is an apocalyptic number.

551542245155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551542245155 is a deficient number, since it is larger than the sum of its proper divisors (170476694029).

551542245155 is a wasteful number, since it uses less digits than its factorization.

551542245155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028040837.

The product of its digits is 1000000, while the sum is 44.

It can be divided in two parts, 551542 and 245155, that added together give a palindrome (796697).

The spelling of 551542245155 in words is "five hundred fifty-one billion, five hundred forty-two million, two hundred forty-five thousand, one hundred fifty-five".