13145732055618 has 32 divisors (see below), whose sum is σ = 26744108864256. Its totient is φ = 4306765162128.

The previous prime is 13145732055593. The next prime is 13145732055649. The reversal of 13145732055618 is 81655023754131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36730296 + ... + 37086467.

It is an arithmetic number, because the mean of its divisors is an integer number (835753402008).

Almost surely, 2^{13145732055618} is an apocalyptic number.

13145732055618 is an abundant number, since it is smaller than the sum of its proper divisors (13598376808638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13145732055618 is a wasteful number, since it uses less digits than its factorization.

13145732055618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73817278.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 13145732055618 in words is "thirteen trillion, one hundred forty-five billion, seven hundred thirty-two million, fifty-five thousand, six hundred eighteen".