551143341156 has 48 divisors (see below), whose sum is σ = 1317473656128. Its totient is φ = 179219097600.

The previous prime is 551143341143. The next prime is 551143341173. The reversal of 551143341156 is 651143341155.

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, 7220511 + ... + 7296441.

It is an arithmetic number, because the mean of its divisors is an integer number (27447367836).

Almost surely, 2^551143341156 is an apocalyptic number.

It is an amenable number.

551143341156 is an abundant number, since it is smaller than the sum of its proper divisors (766330314972).

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

551143341156 is a wasteful number, since it uses less digits than its factorization.

551143341156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90732 (or 90730 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

Subtracting 551143341156 from its reverse (651143341155), we obtain a palindrome (99999999999).

The spelling of 551143341156 in words is "five hundred fifty-one billion, one hundred forty-three million, three hundred forty-one thousand, one hundred fifty-six".