551215534297 has 2 divisors, whose sum is σ = 551215534298. Its totient is φ = 551215534296.

The previous prime is 551215534187. The next prime is 551215534327. The reversal of 551215534297 is 792435512155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402011793936 + 149203740361 = 634044^2 + 386269^2 .

It is a cyclic number.

It is not a de Polignac number, because 551215534297 - 2²³ = 551207145689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551215534297.

It is not a weakly prime, because it can be changed into another prime (551215534097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275607767148 + 275607767149.

It is an arithmetic number, because the mean of its divisors is an integer number (275607767149).

Almost surely, 2^551215534297 is an apocalyptic number.

It is an amenable number.

551215534297 is a deficient number, since it is larger than the sum of its proper divisors (1).

551215534297 is an equidigital number, since it uses as much as digits as its factorization.

551215534297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890000, while the sum is 49.

The spelling of 551215534297 in words is "five hundred fifty-one billion, two hundred fifteen million, five hundred thirty-four thousand, two hundred ninety-seven".