115153330245021 has 32 divisors (see below), whose sum is σ = 176149096166400. Its totient is φ = 74272042307520.

The previous prime is 115153330245013. The next prime is 115153330245059. The reversal of 115153330245021 is 120542033351511.

It is a happy number.

115153330245021 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 533 + 30 + 24 + 50 + 21 = 666.

It is not a de Polignac number, because 115153330245021 - 2³ = 115153330245013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115153330295021) 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, 15869586 + ... + 21957923.

It is an arithmetic number, because the mean of its divisors is an integer number (5504659255200).

Almost surely, 2^{115153330245021} is an apocalyptic number.

It is an amenable number.

115153330245021 is a deficient number, since it is larger than the sum of its proper divisors (60995765921379).

115153330245021 is a wasteful number, since it uses less digits than its factorization.

115153330245021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37831186 (or 37831180 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 115153330245021 its reverse (120542033351511), we get a palindrome (235695363596532).

The spelling of 115153330245021 in words is "one hundred fifteen trillion, one hundred fifty-three billion, three hundred thirty million, two hundred forty-five thousand, twenty-one".