551211234136 has 32 divisors (see below), whose sum is σ = 1079002425600. Its totient is φ = 263489380000.

The previous prime is 551211234073. The next prime is 551211234137. The reversal of 551211234136 is 631432112155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551211234137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392740 + ... + 1121011.

It is an arithmetic number, because the mean of its divisors is an integer number (33718825800).

Almost surely, 2^551211234136 is an apocalyptic number.

It is an amenable number.

551211234136 is a deficient number, since it is larger than the sum of its proper divisors (527791191464).

551211234136 is a wasteful number, since it uses less digits than its factorization.

551211234136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515759 (or 1515755 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The spelling of 551211234136 in words is "five hundred fifty-one billion, two hundred eleven million, two hundred thirty-four thousand, one hundred thirty-six".