115625541445 has 4 divisors (see below), whose sum is σ = 138750649740. Its totient is φ = 92500433152.

The previous prime is 115625541431. The next prime is 115625541481. The reversal of 115625541445 is 544145526511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74376743841 + 41248797604 = 272721^2 + 203098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115625541445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11562554140 + ... + 11562554149.

It is an arithmetic number, because the mean of its divisors is an integer number (34687662435).

Almost surely, 2^115625541445 is an apocalyptic number.

It is an amenable number.

115625541445 is a deficient number, since it is larger than the sum of its proper divisors (23125108295).

115625541445 is an equidigital number, since it uses as much as digits as its factorization.

115625541445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23125108294.

The product of its digits is 480000, while the sum is 43.

The spelling of 115625541445 in words is "one hundred fifteen billion, six hundred twenty-five million, five hundred forty-one thousand, four hundred forty-five".