101543231034655 has 16 divisors (see below), whose sum is σ = 122073812070624. Its totient is φ = 81086635854720.

The previous prime is 101543231034647. The next prime is 101543231034673. The reversal of 101543231034655 is 556430132345101.

It is not a de Polignac number, because 101543231034655 - 2³ = 101543231034647 is a prime.

It is a super-2 number, since 2×101543231034655² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 111539860 + ... + 112446550.

It is an arithmetic number, because the mean of its divisors is an integer number (7629613254414).

Almost surely, 2^{101543231034655} is an apocalyptic number.

101543231034655 is a deficient number, since it is larger than the sum of its proper divisors (20530581035969).

101543231034655 is an equidigital number, since it uses as much as digits as its factorization.

101543231034655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947466.

The product of its (nonzero) digits is 648000, while the sum is 43.

Adding to 101543231034655 its reverse (556430132345101), we get a palindrome (657973363379756).

The spelling of 101543231034655 in words is "one hundred one trillion, five hundred forty-three billion, two hundred thirty-one million, thirty-four thousand, six hundred fifty-five".