11553142100 has 18 divisors (see below), whose sum is σ = 25070318574. Its totient is φ = 4621256800.

The previous prime is 11553142099. The next prime is 11553142123. The reversal of 11553142100 is 124135511.

It can be written as a sum of positive squares in 3 ways, for example, as 51437584 + 11501704516 = 7172^2 + 107246^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57765611 + ... + 57765810.

Almost surely, 2^11553142100 is an apocalyptic number.

11553142100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11553142100 is an abundant number, since it is smaller than the sum of its proper divisors (13517176474).

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

11553142100 is a wasteful number, since it uses less digits than its factorization.

11553142100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115531435 (or 115531428 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11553142100 its reverse (124135511), we get a palindrome (11677277611).

The spelling of 11553142100 in words is "eleven billion, five hundred fifty-three million, one hundred forty-two thousand, one hundred".