101055550511 has 4 divisors (see below), whose sum is σ = 101782569000. Its totient is φ = 100328532024.

The previous prime is 101055550481. The next prime is 101055550513. The reversal of 101055550511 is 115055550101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115055550101 = 83 ⋅1386211447.

It is a cyclic number.

It is not a de Polignac number, because 101055550511 - 2³⁰ = 99981808687 is a prime.

It is a super-2 number, since 2×101055550511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101055550513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363509036 + ... + 363509313.

It is an arithmetic number, because the mean of its divisors is an integer number (25445642250).

Almost surely, 2^101055550511 is an apocalyptic number.

101055550511 is a deficient number, since it is larger than the sum of its proper divisors (727018489).

101055550511 is an equidigital number, since it uses as much as digits as its factorization.

101055550511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727018488.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 101055550511 in words is "one hundred one billion, fifty-five million, five hundred fifty thousand, five hundred eleven".