115541523551 has 8 divisors (see below), whose sum is σ = 119299989504. Its totient is φ = 111785015160.

The previous prime is 115541523533. The next prime is 115541523563. The reversal of 115541523551 is 155325145511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115541523551 - 2¹⁰ = 115541522527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115541523521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368951 + ... + 605976.

It is an arithmetic number, because the mean of its divisors is an integer number (14912498688).

Almost surely, 2^115541523551 is an apocalyptic number.

115541523551 is a deficient number, since it is larger than the sum of its proper divisors (3758465953).

115541523551 is an equidigital number, since it uses as much as digits as its factorization.

115541523551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978781.

The product of its digits is 75000, while the sum is 38.

The spelling of 115541523551 in words is "one hundred fifteen billion, five hundred forty-one million, five hundred twenty-three thousand, five hundred fifty-one".