551505137011 has 2 divisors, whose sum is σ = 551505137012. Its totient is φ = 551505137010.

The previous prime is 551505136943. The next prime is 551505137039. The reversal of 551505137011 is 110731505155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551505137011 - 2⁹ = 551505136499 is a prime.

It is a super-2 number, since 2×551505137011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (551505137111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275752568505 + 275752568506.

It is an arithmetic number, because the mean of its divisors is an integer number (275752568506).

Almost surely, 2^551505137011 is an apocalyptic number.

551505137011 is a deficient number, since it is larger than the sum of its proper divisors (1).

551505137011 is an equidigital number, since it uses as much as digits as its factorization.

551505137011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13125, while the sum is 34.

The spelling of 551505137011 in words is "five hundred fifty-one billion, five hundred five million, one hundred thirty-seven thousand, eleven".