551140554112 has 32 divisors (see below), whose sum is σ = 1133393889600. Its totient is φ = 266680911360.

The previous prime is 551140554103. The next prime is 551140554121. The reversal of 551140554112 is 211455041155.

It is an interprime number because it is at equal distance from previous prime (551140554103) and next prime (551140554121).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69444187 + ... + 69452122.

It is an arithmetic number, because the mean of its divisors is an integer number (35418559050).

Almost surely, 2^551140554112 is an apocalyptic number.

It is an amenable number.

551140554112 is an abundant number, since it is smaller than the sum of its proper divisors (582253335488).

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

551140554112 is a wasteful number, since it uses less digits than its factorization.

551140554112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138896354 (or 138896342 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

Adding to 551140554112 its reverse (211455041155), we get a palindrome (762595595267).

The spelling of 551140554112 in words is "five hundred fifty-one billion, one hundred forty million, five hundred fifty-four thousand, one hundred twelve".