55511000011001 has 8 divisors (see below), whose sum is σ = 56082043776000. Its totient is φ = 54942877186560.

The previous prime is 55511000010989. The next prime is 55511000011021. The reversal of 55511000011001 is 10011000011555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55511000011001 is a prime.

It is a super-2 number, since 2×55511000011001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55511000011021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730196936 + ... + 730272953.

It is an arithmetic number, because the mean of its divisors is an integer number (7010255472000).

Almost surely, 2^{55511000011001} is an apocalyptic number.

It is an amenable number.

55511000011001 is a deficient number, since it is larger than the sum of its proper divisors (571043764999).

55511000011001 is a wasteful number, since it uses less digits than its factorization.

55511000011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460470279.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 55511000011001 its reverse (10011000011555), we get a palindrome (65522000022556).

The spelling of 55511000011001 in words is "fifty-five trillion, five hundred eleven billion, eleven thousand, one".