115501143155 has 8 divisors (see below), whose sum is σ = 138605403552. Its totient is φ = 92398226688.

The previous prime is 115501143133. The next prime is 115501143217. The reversal of 115501143155 is 551341105511.

It is a happy number.

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 115501143155 - 2¹⁰ = 115501142131 is a prime.

It is a super-2 number, since 2×115501143155² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 136094 + ... + 499523.

It is an arithmetic number, because the mean of its divisors is an integer number (17325675444).

Almost surely, 2^115501143155 is an apocalyptic number.

115501143155 is a deficient number, since it is larger than the sum of its proper divisors (23104260397).

115501143155 is an equidigital number, since it uses as much as digits as its factorization.

115501143155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671965.

The product of its (nonzero) digits is 7500, while the sum is 32.

Adding to 115501143155 its reverse (551341105511), we get a palindrome (666842248666).

The spelling of 115501143155 in words is "one hundred fifteen billion, five hundred one million, one hundred forty-three thousand, one hundred fifty-five".