113541001520538 has 64 divisors (see below), whose sum is σ = 229185151961472. Its totient is φ = 37498373652480.

The previous prime is 113541001520537. The next prime is 113541001520539. The reversal of 113541001520538 is 835025100145311.

It is an interprime number because it is at equal distance from previous prime (113541001520537) and next prime (113541001520539).

It is a junction number, because it is equal to n+sod(n) for n = 113541001520496 and 113541001520505.

It is not an unprimeable number, because it can be changed into a prime (113541001520537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285538978 + ... + 285936338.

It is an arithmetic number, because the mean of its divisors is an integer number (3581017999398).

Almost surely, 2^{113541001520538} is an apocalyptic number.

113541001520538 is an abundant number, since it is smaller than the sum of its proper divisors (115644150440934).

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

113541001520538 is a wasteful number, since it uses less digits than its factorization.

113541001520538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398559.

The product of its (nonzero) digits is 72000, while the sum is 39.

Adding to 113541001520538 its reverse (835025100145311), we get a palindrome (948566101665849).

The spelling of 113541001520538 in words is "one hundred thirteen trillion, five hundred forty-one billion, one million, five hundred twenty thousand, five hundred thirty-eight".