44001411551 has 2 divisors, whose sum is σ = 44001411552. Its totient is φ = 44001411550.

The previous prime is 44001411541. The next prime is 44001411577. The reversal of 44001411551 is 15511410044.

It is an a-pointer prime, because the next prime (44001411577) can be obtained adding 44001411551 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44001411551 - 2¹⁸ = 44001149407 is a prime.

It is a super-2 number, since 2×44001411551² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44001411551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44001411521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22000705775 + 22000705776.

It is an arithmetic number, because the mean of its divisors is an integer number (22000705776).

Almost surely, 2^44001411551 is an apocalyptic number.

44001411551 is a deficient number, since it is larger than the sum of its proper divisors (1).

44001411551 is an equidigital number, since it uses as much as digits as its factorization.

44001411551 is an odious number, because the sum of its binary digits is odd.

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

Adding to 44001411551 its reverse (15511410044), we get a palindrome (59512821595).

The spelling of 44001411551 in words is "forty-four billion, one million, four hundred eleven thousand, five hundred fifty-one".