551158473601 has 2 divisors, whose sum is σ = 551158473602. Its totient is φ = 551158473600.

The previous prime is 551158473589. The next prime is 551158473617. The reversal of 551158473601 is 106374851155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491793638400 + 59364835201 = 701280^2 + 243649^2 .

It is a cyclic number.

It is not a de Polignac number, because 551158473601 - 2⁷ = 551158473473 is a prime.

It is not a weakly prime, because it can be changed into another prime (551158471601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275579236800 + 275579236801.

It is an arithmetic number, because the mean of its divisors is an integer number (275579236801).

Almost surely, 2^551158473601 is an apocalyptic number.

It is an amenable number.

551158473601 is a deficient number, since it is larger than the sum of its proper divisors (1).

551158473601 is an equidigital number, since it uses as much as digits as its factorization.

551158473601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 551158473601 in words is "five hundred fifty-one billion, one hundred fifty-eight million, four hundred seventy-three thousand, six hundred one".