55011060010531 has 4 divisors (see below), whose sum is σ = 55014792878632. Its totient is φ = 55007327142432.

The previous prime is 55011060010451. The next prime is 55011060010597. The reversal of 55011060010531 is 13501006011055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55011060010531 - 2⁹ = 55011060010019 is a prime.

It is a super-2 number, since 2×55011060010531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55011060010531.

It is not an unprimeable number, because it can be changed into a prime (55011060010031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866411945 + ... + 1866441418.

It is an arithmetic number, because the mean of its divisors is an integer number (13753698219658).

Almost surely, 2^{55011060010531} is an apocalyptic number.

55011060010531 is a deficient number, since it is larger than the sum of its proper divisors (3732868101).

55011060010531 is a wasteful number, since it uses less digits than its factorization.

55011060010531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732868100.

The product of its (nonzero) digits is 2250, while the sum is 28.

Adding to 55011060010531 its reverse (13501006011055), we get a palindrome (68512066021586).

The spelling of 55011060010531 in words is "fifty-five trillion, eleven billion, sixty million, ten thousand, five hundred thirty-one".