113541643580 has 24 divisors (see below), whose sum is σ = 244253000880. Its totient is φ = 44308933760.

The previous prime is 113541643549. The next prime is 113541643643. The reversal of 113541643580 is 85346145311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 69231890 + ... + 69233529.

It is an arithmetic number, because the mean of its divisors is an integer number (10177208370).

Almost surely, 2^113541643580 is an apocalyptic number.

113541643580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113541643580 is an abundant number, since it is smaller than the sum of its proper divisors (130711357300).

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

113541643580 is a wasteful number, since it uses less digits than its factorization.

113541643580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138465469 (or 138465467 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

Adding to 113541643580 its reverse (85346145311), we get a palindrome (198887788891).

The spelling of 113541643580 in words is "one hundred thirteen billion, five hundred forty-one million, six hundred forty-three thousand, five hundred eighty".