100501051055 has 16 divisors (see below), whose sum is σ = 123039820800. Its totient is φ = 78783900960.

The previous prime is 100501050971. The next prime is 100501051069. The reversal of 100501051055 is 550150105001.

It is a happy number.

It is not a de Polignac number, because 100501051055 - 2¹² = 100501046959 is a prime.

It is a super-2 number, since 2×100501051055² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100501051055.

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, 455975 + ... + 639464.

It is an arithmetic number, because the mean of its divisors is an integer number (7689988800).

Almost surely, 2^100501051055 is an apocalyptic number.

100501051055 is a deficient number, since it is larger than the sum of its proper divisors (22538769745).

100501051055 is a wasteful number, since it uses less digits than its factorization.

100501051055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095814.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 100501051055 its reverse (550150105001), we get a palindrome (650651156056).

The spelling of 100501051055 in words is "one hundred billion, five hundred one million, fifty-one thousand, fifty-five".