55005550015011 has 16 divisors (see below), whose sum is σ = 74437687511424. Its totient is φ = 36121923661824.

The previous prime is 55005550015007. The next prime is 55005550015027. The reversal of 55005550015011 is 11051005550055.

It is not a de Polignac number, because 55005550015011 - 2² = 55005550015007 is a prime.

It is a super-2 number, since 2×55005550015011² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55005550035011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241796 + ... + 10725518.

It is an arithmetic number, because the mean of its divisors is an integer number (4652355469464).

Almost surely, 2^{55005550015011} is an apocalyptic number.

55005550015011 is a deficient number, since it is larger than the sum of its proper divisors (19432137496413).

55005550015011 is a wasteful number, since it uses less digits than its factorization.

55005550015011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516050.

The product of its (nonzero) digits is 15625, while the sum is 33.

Adding to 55005550015011 its reverse (11051005550055), we get a palindrome (66056555565066).

The spelling of 55005550015011 in words is "fifty-five trillion, five billion, five hundred fifty million, fifteen thousand, eleven".