5511105550051 has 2 divisors, whose sum is σ = 5511105550052. Its totient is φ = 5511105550050.

The previous prime is 5511105550043. The next prime is 5511105550117. The reversal of 5511105550051 is 1500555011155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5511105550051 - 2³ = 5511105550043 is a prime.

It is a super-2 number, since 2×5511105550051² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5511105549989 and 5511105550016.

It is not a weakly prime, because it can be changed into another prime (5511105550651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755552775025 + 2755552775026.

It is an arithmetic number, because the mean of its divisors is an integer number (2755552775026).

Almost surely, 2^{5511105550051} is an apocalyptic number.

5511105550051 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511105550051 is an equidigital number, since it uses as much as digits as its factorization.

5511105550051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15625, while the sum is 34.

The spelling of 5511105550051 in words is "five trillion, five hundred eleven billion, one hundred five million, five hundred fifty thousand, fifty-one".