551265041052 has 72 divisors (see below), whose sum is σ = 1609576021872. Its totient is φ = 157223539200.

The previous prime is 551265040987. The next prime is 551265041053. The reversal of 551265041052 is 250140562155.

551265041052 is a `hidden beast` number, since 5 + 512 + 6 + 50 + 41 + 0 + 52 = 666.

551265041052 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 551265040998 and 551265041016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551265041053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40936899 + ... + 40950362.

It is an arithmetic number, because the mean of its divisors is an integer number (22355222526).

Almost surely, 2^551265041052 is an apocalyptic number.

It is an amenable number.

551265041052 is an abundant number, since it is smaller than the sum of its proper divisors (1058310980820).

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

551265041052 is a wasteful number, since it uses less digits than its factorization.

551265041052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81887299 (or 81887294 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 551265041052 in words is "five hundred fifty-one billion, two hundred sixty-five million, forty-one thousand, fifty-two".