115455500521545 has 32 divisors (see below), whose sum is σ = 184962783325824. Its totient is φ = 61498307404800.

The previous prime is 115455500521531. The next prime is 115455500521547. The reversal of 115455500521545 is 545125005554511.

It is not a de Polignac number, because 115455500521545 - 2¹² = 115455500517449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115455500521494 and 115455500521503.

It is not an unprimeable number, because it can be changed into a prime (115455500521547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52384929 + ... + 54544401.

It is an arithmetic number, because the mean of its divisors is an integer number (5780086978932).

Almost surely, 2^{115455500521545} is an apocalyptic number.

115455500521545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115455500521545 is a deficient number, since it is larger than the sum of its proper divisors (69507282804279).

115455500521545 is a wasteful number, since it uses less digits than its factorization.

115455500521545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163993.

The product of its (nonzero) digits is 2500000, while the sum is 48.

The spelling of 115455500521545 in words is "one hundred fifteen trillion, four hundred fifty-five billion, five hundred million, five hundred twenty-one thousand, five hundred forty-five".