115611622385 has 24 divisors (see below), whose sum is σ = 161752155840. Its totient is φ = 79095883104.

The previous prime is 115611622381. The next prime is 115611622409. The reversal of 115611622385 is 583226116511.

It is not a de Polignac number, because 115611622385 - 2² = 115611622381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115611622381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429899 + ... + 645008.

It is an arithmetic number, because the mean of its divisors is an integer number (6739673160).

Almost surely, 2^115611622385 is an apocalyptic number.

It is an amenable number.

115611622385 is a deficient number, since it is larger than the sum of its proper divisors (46140533455).

115611622385 is a wasteful number, since it uses less digits than its factorization.

115611622385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075365 (or 1075358 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

Adding to 115611622385 its reverse (583226116511), we get a palindrome (698837738896).

The spelling of 115611622385 in words is "one hundred fifteen billion, six hundred eleven million, six hundred twenty-two thousand, three hundred eighty-five".