115555743137 has 4 divisors (see below), whose sum is σ = 116747039556. Its totient is φ = 114364446720.

The previous prime is 115555743133. The next prime is 115555743211. The reversal of 115555743137 is 731347555511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34285706896 + 81270036241 = 185164^2 + 285079^2 .

It is a cyclic number.

It is not a de Polignac number, because 115555743137 - 2² = 115555743133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115555743091 and 115555743100.

It is not an unprimeable number, because it can be changed into a prime (115555743133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595648064 + ... + 595648257.

It is an arithmetic number, because the mean of its divisors is an integer number (29186759889).

Almost surely, 2^115555743137 is an apocalyptic number.

It is an amenable number.

115555743137 is a deficient number, since it is larger than the sum of its proper divisors (1191296419).

115555743137 is an equidigital number, since it uses as much as digits as its factorization.

115555743137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191296418.

The product of its digits is 1102500, while the sum is 47.

The spelling of 115555743137 in words is "one hundred fifteen billion, five hundred fifty-five million, seven hundred forty-three thousand, one hundred thirty-seven".