115503650001 has 48 divisors (see below), whose sum is σ = 184076217600. Its totient is φ = 71555118336.

The previous prime is 115503649991. The next prime is 115503650153. The reversal of 115503650001 is 100056305511.

115503650001 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 0 + 3 + 650 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 115503650001 - 2⁵ = 115503649969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115503651001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522751 + ... + 710123.

It is an arithmetic number, because the mean of its divisors is an integer number (3834921200).

Almost surely, 2^115503650001 is an apocalyptic number.

It is an amenable number.

115503650001 is a deficient number, since it is larger than the sum of its proper divisors (68572567599).

115503650001 is a wasteful number, since it uses less digits than its factorization.

115503650001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187495 (or 187472 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 115503650001 its reverse (100056305511), we get a palindrome (215559955512).

The spelling of 115503650001 in words is "one hundred fifteen billion, five hundred three million, six hundred fifty thousand, one".