55513143111 has 8 divisors (see below), whose sum is σ = 74030422000. Its totient is φ = 37002313152.

The previous prime is 55513143107. The next prime is 55513143113. The reversal of 55513143111 is 11134131555.

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

It is not a de Polignac number, because 55513143111 - 2² = 55513143107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55513143113) 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, 1592110 + ... + 1626603.

It is an arithmetic number, because the mean of its divisors is an integer number (9253802750).

Almost surely, 2^55513143111 is an apocalyptic number.

55513143111 is a deficient number, since it is larger than the sum of its proper divisors (18517278889).

55513143111 is a wasteful number, since it uses less digits than its factorization.

55513143111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224465.

The product of its digits is 4500, while the sum is 30.

Adding to 55513143111 its reverse (11134131555), we get a palindrome (66647274666).

The spelling of 55513143111 in words is "fifty-five billion, five hundred thirteen million, one hundred forty-three thousand, one hundred eleven".