1377561062618 has 32 divisors (see below), whose sum is σ = 2345126515200. Its totient is φ = 601636251456.

The previous prime is 1377561062609. The next prime is 1377561062651. The reversal of 1377561062618 is 8162601657731.

It is a self number, because there is not a number n which added to its sum of digits gives 1377561062618.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1189313 + ... + 2041956.

It is an arithmetic number, because the mean of its divisors is an integer number (73285203600).

Almost surely, 2^{1377561062618} is an apocalyptic number.

1377561062618 is a deficient number, since it is larger than the sum of its proper divisors (967565452582).

1377561062618 is a wasteful number, since it uses less digits than its factorization.

1377561062618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232166.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 1377561062618 in words is "one trillion, three hundred seventy-seven billion, five hundred sixty-one million, sixty-two thousand, six hundred eighteen".