115454011545 has 24 divisors (see below), whose sum is σ = 200205954312. Its totient is φ = 61549113600.

The previous prime is 115454011529. The next prime is 115454011597. The reversal of 115454011545 is 545110454511.

115454011545 is a `hidden beast` number, since 1 + 1 + 54 + 54 + 0 + 11 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32641287561 + 82812723984 = 180669^2 + 287772^2 .

It is not a de Polignac number, because 115454011545 - 2⁴ = 115454011529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442636 + ... + 653325.

It is an arithmetic number, because the mean of its divisors is an integer number (8341914763).

Almost surely, 2^115454011545 is an apocalyptic number.

115454011545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115454011545 is a deficient number, since it is larger than the sum of its proper divisors (84751942767).

115454011545 is a wasteful number, since it uses less digits than its factorization.

115454011545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098313 (or 1098310 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 115454011545 in words is "one hundred fifteen billion, four hundred fifty-four million, eleven thousand, five hundred forty-five".