55025331511 has 8 divisors (see below), whose sum is σ = 55158181200. Its totient is φ = 54892643520.

The previous prime is 55025331509. The next prime is 55025331521. The reversal of 55025331511 is 11513352055.

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

It is a cyclic number.

It is not a de Polignac number, because 55025331511 - 2¹ = 55025331509 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 (55025331521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655341 + ... + 734521.

It is an arithmetic number, because the mean of its divisors is an integer number (6894772650).

Almost surely, 2^55025331511 is an apocalyptic number.

55025331511 is a deficient number, since it is larger than the sum of its proper divisors (132849689).

55025331511 is an equidigital number, since it uses as much as digits as its factorization.

55025331511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80849.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 55025331511 its reverse (11513352055), we get a palindrome (66538683566).

The spelling of 55025331511 in words is "fifty-five billion, twenty-five million, three hundred thirty-one thousand, five hundred eleven".