551100601111 has 2 divisors, whose sum is σ = 551100601112. Its totient is φ = 551100601110.

The previous prime is 551100601069. The next prime is 551100601159. The reversal of 551100601111 is 111106001155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551100601111 - 2³³ = 542510666519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551100611111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275550300555 + 275550300556.

It is an arithmetic number, because the mean of its divisors is an integer number (275550300556).

Almost surely, 2^551100601111 is an apocalyptic number.

551100601111 is a deficient number, since it is larger than the sum of its proper divisors (1).

551100601111 is an equidigital number, since it uses as much as digits as its factorization.

551100601111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 551100601111 its reverse (111106001155), we get a palindrome (662206602266).

The spelling of 551100601111 in words is "five hundred fifty-one billion, one hundred million, six hundred one thousand, one hundred eleven".