551241251939 has 16 divisors (see below), whose sum is σ = 653103360000. Its totient is φ = 455288316480.

The previous prime is 551241251933. The next prime is 551241251941. The reversal of 551241251939 is 939152142155.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551241251939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551241251893 and 551241251902.

It is not an unprimeable number, because it can be changed into a prime (551241251933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5400689 + ... + 5501810.

It is an arithmetic number, because the mean of its divisors is an integer number (40818960000).

Almost surely, 2^551241251939 is an apocalyptic number.

551241251939 is a deficient number, since it is larger than the sum of its proper divisors (101862108061).

551241251939 is a wasteful number, since it uses less digits than its factorization.

551241251939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10902770.

The product of its digits is 486000, while the sum is 47.

The spelling of 551241251939 in words is "five hundred fifty-one billion, two hundred forty-one million, two hundred fifty-one thousand, nine hundred thirty-nine".