27455681518130 has 16 divisors (see below), whose sum is σ = 49537614452184. Its totient is φ = 10956186447360.

The previous prime is 27455681518127. The next prime is 27455681518147. The reversal of 27455681518130 is 3181518655472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20950768994401 + 6504912523729 = 4577201^2 + 2550473^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260765567 + ... + 3260773986.

Almost surely, 2^{27455681518130} is an apocalyptic number.

27455681518130 is a deficient number, since it is larger than the sum of its proper divisors (22081932934054).

27455681518130 is a wasteful number, since it uses less digits than its factorization.

27455681518130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521539981.

The product of its (nonzero) digits is 8064000, while the sum is 56.

The spelling of 27455681518130 in words is "twenty-seven trillion, four hundred fifty-five billion, six hundred eighty-one million, five hundred eighteen thousand, one hundred thirty".