551441212001 has 4 divisors (see below), whose sum is σ = 583878930372. Its totient is φ = 519003493632.

The previous prime is 551441211989. The next prime is 551441212013. The reversal of 551441212001 is 100212144155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (551441211989) and next prime (551441212013).

It can be written as a sum of positive squares in 2 ways, for example, as 515265552400 + 36175659601 = 717820^2 + 190199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551441212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551441412001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16218859160 + ... + 16218859193.

It is an arithmetic number, because the mean of its divisors is an integer number (145969732593).

Almost surely, 2^551441212001 is an apocalyptic number.

It is an amenable number.

551441212001 is a deficient number, since it is larger than the sum of its proper divisors (32437718371).

551441212001 is a wasteful number, since it uses less digits than its factorization.

551441212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32437718370.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 551441212001 its reverse (100212144155), we get a palindrome (651653356156).

The spelling of 551441212001 in words is "five hundred fifty-one billion, four hundred forty-one million, two hundred twelve thousand, one".