115131445767040 has 64 divisors (see below), whose sum is σ = 275962329774000. Its totient is φ = 45931067449344.

The previous prime is 115131445766969. The next prime is 115131445767053. The reversal of 115131445767040 is 40767544131511.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent 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, 237083145 + ... + 237568264.

Almost surely, 2^{115131445767040} is an apocalyptic number.

115131445767040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115131445767040 is an abundant number, since it is smaller than the sum of its proper divisors (160830884006960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115131445767040 is an equidigital number, since it uses as much as digits as its factorization.

115131445767040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474651807 (or 474651795 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

Adding to 115131445767040 its reverse (40767544131511), we get a palindrome (155898989898551).

The spelling of 115131445767040 in words is "one hundred fifteen trillion, one hundred thirty-one billion, four hundred forty-five million, seven hundred sixty-seven thousand, forty".