100011252540 has 48 divisors (see below), whose sum is σ = 281910938400. Its totient is φ = 26490673920.

The previous prime is 100011252529. The next prime is 100011252541. The reversal of 100011252540 is 45252110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011252541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584531 + ... + 5602410.

It is an arithmetic number, because the mean of its divisors is an integer number (5873144550).

Almost surely, 2^100011252540 is an apocalyptic number.

100011252540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011252540 is an abundant number, since it is smaller than the sum of its proper divisors (181899685860).

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

100011252540 is a wasteful number, since it uses less digits than its factorization.

100011252540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187102 (or 11187100 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 100011252540 its reverse (45252110001), we get a palindrome (145263362541).

The spelling of 100011252540 in words is "one hundred billion, eleven million, two hundred fifty-two thousand, five hundred forty".