115154445254541 has 64 divisors (see below), whose sum is σ = 199755787530240. Its totient is φ = 57217490288640.

The previous prime is 115154445254539. The next prime is 115154445254561. The reversal of 115154445254541 is 145452544451511.

It is not a de Polignac number, because 115154445254541 - 2¹ = 115154445254539 is a prime.

It is a super-2 number, since 2×115154445254541² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115154445254531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148957581 + ... + 149728653.

It is an arithmetic number, because the mean of its divisors is an integer number (3121184180160).

Almost surely, 2^{115154445254541} is an apocalyptic number.

115154445254541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115154445254541 is a deficient number, since it is larger than the sum of its proper divisors (84601342275699).

115154445254541 is a wasteful number, since it uses less digits than its factorization.

115154445254541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799226.

The product of its digits is 6400000, while the sum is 51.

The spelling of 115154445254541 in words is "one hundred fifteen trillion, one hundred fifty-four billion, four hundred forty-five million, two hundred fifty-four thousand, five hundred forty-one".