101555124005 has 16 divisors (see below), whose sum is σ = 123048543744. Its totient is φ = 80459429760.

The previous prime is 101555123987. The next prime is 101555124019. The reversal of 101555124005 is 500421555101.

It is not a de Polignac number, because 101555124005 - 2¹⁶ = 101555058469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889 + ... + 450681.

It is an arithmetic number, because the mean of its divisors is an integer number (7690533984).

Almost surely, 2^101555124005 is an apocalyptic number.

It is an amenable number.

101555124005 is a deficient number, since it is larger than the sum of its proper divisors (21493419739).

101555124005 is a wasteful number, since it uses less digits than its factorization.

101555124005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449236.

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 101555124005 its reverse (500421555101), we get a palindrome (601976679106).

The spelling of 101555124005 in words is "one hundred one billion, five hundred fifty-five million, one hundred twenty-four thousand, five".