551442115111532 has 48 divisors (see below), whose sum is σ = 1015068291686400. Its totient is φ = 261615798525312.

The previous prime is 551442115111451. The next prime is 551442115111571. The reversal of 551442115111532 is 235111511244155.

It is a self number, because there is not a number n which added to its sum of digits gives 551442115111532.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71421344 + ... + 78764792.

It is an arithmetic number, because the mean of its divisors is an integer number (21147256076800).

Almost surely, 2^{551442115111532} is an apocalyptic number.

It is an amenable number.

551442115111532 is a deficient number, since it is larger than the sum of its proper divisors (463626176574868).

551442115111532 is a wasteful number, since it uses less digits than its factorization.

551442115111532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350030 (or 7350028 counting only the distinct ones).

The product of its digits is 120000, while the sum is 41.

Adding to 551442115111532 its reverse (235111511244155), we get a palindrome (786553626355687).

The spelling of 551442115111532 in words is "five hundred fifty-one trillion, four hundred forty-two billion, one hundred fifteen million, one hundred eleven thousand, five hundred thirty-two".