551144211422532 has 96 divisors (see below), whose sum is σ = 1591615428480000. Its totient is φ = 144544666361472.

The previous prime is 551144211422449. The next prime is 551144211422599. The reversal of 551144211422532 is 235224112441155.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1409611282 + ... + 1410002217.

It is an arithmetic number, because the mean of its divisors is an integer number (16579327380000).

Almost surely, 2^{551144211422532} is an apocalyptic number.

551144211422532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

551144211422532 is an abundant number, since it is smaller than the sum of its proper divisors (1040471217057468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551144211422532 is a wasteful number, since it uses less digits than its factorization.

551144211422532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819613705 (or 2819613703 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

Adding to 551144211422532 its reverse (235224112441155), we get a palindrome (786368323863687).

The spelling of 551144211422532 in words is "five hundred fifty-one trillion, one hundred forty-four billion, two hundred eleven million, four hundred twenty-two thousand, five hundred thirty-two".