55010011111 has 12 divisors (see below), whose sum is σ = 60485979400. Its totient is φ = 49992204240.

The previous prime is 55010011103. The next prime is 55010011123. The reversal of 55010011111 is 11111001055.

It is not a de Polignac number, because 55010011111 - 2³ = 55010011103 is a prime.

It is a super-2 number, since 2×55010011111² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55010011171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290005 + ... + 440593.

Almost surely, 2^55010011111 is an apocalyptic number.

55010011111 is a deficient number, since it is larger than the sum of its proper divisors (5475968289).

55010011111 is a wasteful number, since it uses less digits than its factorization.

55010011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153630 (or 153619 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 16.

Adding to 55010011111 its reverse (11111001055), we get a palindrome (66121012166).

The spelling of 55010011111 in words is "fifty-five billion, ten million, eleven thousand, one hundred eleven".