113553540501020 has 24 divisors (see below), whose sum is σ = 238463144110800. Its totient is φ = 45421281141632.

The previous prime is 113553540501013. The next prime is 113553540501091. The reversal of 113553540501020 is 20105045355311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403750 + ... + 15135309.

It is an arithmetic number, because the mean of its divisors is an integer number (9935964337950).

Almost surely, 2^{113553540501020} is an apocalyptic number.

113553540501020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113553540501020 is an abundant number, since it is smaller than the sum of its proper divisors (124909603609780).

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

113553540501020 is a wasteful number, since it uses less digits than its factorization.

113553540501020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16882357 (or 16882355 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 113553540501020 its reverse (20105045355311), we get a palindrome (133658585856331).

The spelling of 113553540501020 in words is "one hundred thirteen trillion, five hundred fifty-three billion, five hundred forty million, five hundred one thousand, twenty".