115541520243542 has 32 divisors (see below), whose sum is σ = 188481651096960. Its totient is φ = 52898777118720.

The previous prime is 115541520243533. The next prime is 115541520243587. The reversal of 115541520243542 is 245342025145511.

It is a junction number, because it is equal to n+sod(n) for n = 115541520243493 and 115541520243502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12343667 + ... + 19581857.

It is an arithmetic number, because the mean of its divisors is an integer number (5890051596780).

Almost surely, 2^{115541520243542} is an apocalyptic number.

115541520243542 is a deficient number, since it is larger than the sum of its proper divisors (72940130853418).

115541520243542 is a wasteful number, since it uses less digits than its factorization.

115541520243542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7250936.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 115541520243542 in words is "one hundred fifteen trillion, five hundred forty-one billion, five hundred twenty million, two hundred forty-three thousand, five hundred forty-two".