100051020552 has 32 divisors (see below), whose sum is σ = 285860059200. Its totient is φ = 28586005824.

The previous prime is 100051020551. The next prime is 100051020557. The reversal of 100051020552 is 255020150001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (100051020551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297770727 + ... + 297771062.

It is an arithmetic number, because the mean of its divisors is an integer number (8933126850).

Almost surely, 2^100051020552 is an apocalyptic number.

100051020552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100051020552 is an abundant number, since it is smaller than the sum of its proper divisors (185809038648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100051020552 is a wasteful number, since it uses less digits than its factorization.

100051020552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595541805 (or 595541801 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 100051020552 its reverse (255020150001), we get a palindrome (355071170553).

The spelling of 100051020552 in words is "one hundred billion, fifty-one million, twenty thousand, five hundred fifty-two".