55133136311 has 8 divisors (see below), whose sum is σ = 60373931904. Its totient is φ = 49930456120.

The previous prime is 55133136287. The next prime is 55133136329. The reversal of 55133136311 is 11363133155.

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-55133136311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55133136371) 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, 9525821 + ... + 9531606.

It is an arithmetic number, because the mean of its divisors is an integer number (7546741488).

Almost surely, 2^55133136311 is an apocalyptic number.

55133136311 is a deficient number, since it is larger than the sum of its proper divisors (5240795593).

55133136311 is a wasteful number, since it uses less digits than its factorization.

55133136311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19057701.

The product of its digits is 12150, while the sum is 32.

Adding to 55133136311 its reverse (11363133155), we get a palindrome (66496269466).

The spelling of 55133136311 in words is "fifty-five billion, one hundred thirty-three million, one hundred thirty-six thousand, three hundred eleven".