551978651141 has 2 divisors, whose sum is σ = 551978651142. Its totient is φ = 551978651140.

The previous prime is 551978651087. The next prime is 551978651153. The reversal of 551978651141 is 141156879155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421271094916 + 130707556225 = 649054^2 + 361535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551978651141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551978621141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275989325570 + 275989325571.

It is an arithmetic number, because the mean of its divisors is an integer number (275989325571).

Almost surely, 2^551978651141 is an apocalyptic number.

It is an amenable number.

551978651141 is a deficient number, since it is larger than the sum of its proper divisors (1).

551978651141 is an equidigital number, since it uses as much as digits as its factorization.

551978651141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 53.

The spelling of 551978651141 in words is "five hundred fifty-one billion, nine hundred seventy-eight million, six hundred fifty-one thousand, one hundred forty-one".