101105055551 has 2 divisors, whose sum is σ = 101105055552. Its totient is φ = 101105055550.

The previous prime is 101105055539. The next prime is 101105055589. The reversal of 101105055551 is 155550501101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101105055551 - 2⁶ = 101105055487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101105055511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50552527775 + 50552527776.

It is an arithmetic number, because the mean of its divisors is an integer number (50552527776).

Almost surely, 2^101105055551 is an apocalyptic number.

101105055551 is a deficient number, since it is larger than the sum of its proper divisors (1).

101105055551 is an equidigital number, since it uses as much as digits as its factorization.

101105055551 is an evil number, because the sum of its binary digits is even.

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

Adding to 101105055551 its reverse (155550501101), we get a palindrome (256655556652).

It can be divided in two parts, 1011050 and 55551, that added together give a palindrome (1066601).

The spelling of 101105055551 in words is "one hundred one billion, one hundred five million, fifty-five thousand, five hundred fifty-one".