115154000020531 has 4 divisors (see below), whose sum is σ = 115164465722712. Its totient is φ = 115143534318352.

The previous prime is 115154000020529. The next prime is 115154000020559. The reversal of 115154000020531 is 135020000451511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115154000020531 - 2¹ = 115154000020529 is a prime.

It is a super-2 number, since 2×115154000020531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115154000020531.

It is not an unprimeable number, because it can be changed into a prime (115154000020561) 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 3 ways as a sum of consecutive naturals, for example, 5232834586 + ... + 5232856591.

It is an arithmetic number, because the mean of its divisors is an integer number (28791116430678).

Almost surely, 2^{115154000020531} is an apocalyptic number.

115154000020531 is a deficient number, since it is larger than the sum of its proper divisors (10465702181).

115154000020531 is a wasteful number, since it uses less digits than its factorization.

115154000020531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465702180.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 115154000020531 in words is "one hundred fifteen trillion, one hundred fifty-four billion, twenty thousand, five hundred thirty-one".