551611031365562 has 128 divisors (see below), whose sum is σ = 1026947955640320. Its totient is φ = 216800186112000.

The previous prime is 551611031365553. The next prime is 551611031365571. The reversal of 551611031365562 is 265563130116155.

It is an interprime number because it is at equal distance from previous prime (551611031365553) and next prime (551611031365571).

It is a self number, because there is not a number n which added to its sum of digits gives 551611031365562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66531298637 + ... + 66531306927.

It is an arithmetic number, because the mean of its divisors is an integer number (8023030903440).

Almost surely, 2^{551611031365562} is an apocalyptic number.

551611031365562 is a deficient number, since it is larger than the sum of its proper divisors (475336924274758).

551611031365562 is a wasteful number, since it uses less digits than its factorization.

551611031365562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16068.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 551611031365562 in words is "five hundred fifty-one trillion, six hundred eleven billion, thirty-one million, three hundred sixty-five thousand, five hundred sixty-two".