551140602412 has 72 divisors (see below), whose sum is σ = 1047238714368. Its totient is φ = 253630752000.

The previous prime is 551140602403. The next prime is 551140602421. The reversal of 551140602412 is 214206041155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (551140602403) and next prime (551140602421).

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 23 ways as a sum of consecutive naturals, for example, 78832237 + ... + 78839227.

It is an arithmetic number, because the mean of its divisors is an integer number (14544982144).

Almost surely, 2^551140602412 is an apocalyptic number.

It is an amenable number.

551140602412 is a deficient number, since it is larger than the sum of its proper divisors (496098111956).

551140602412 is a wasteful number, since it uses less digits than its factorization.

551140602412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527 (or 8508 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 551140602412 its reverse (214206041155), we get a palindrome (765346643567).

The spelling of 551140602412 in words is "five hundred fifty-one billion, one hundred forty million, six hundred two thousand, four hundred twelve".