104663602113551 has 16 divisors (see below), whose sum is σ = 113041739404608. Its totient is φ = 96332528102400.

The previous prime is 104663602113547. The next prime is 104663602113557. The reversal of 104663602113551 is 155311206366401.

It is a cyclic number.

It is not a de Polignac number, because 104663602113551 - 2² = 104663602113547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104663602113557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477791 + ... + 14476031.

It is an arithmetic number, because the mean of its divisors is an integer number (7065108712788).

Almost surely, 2^{104663602113551} is an apocalyptic number.

104663602113551 is a deficient number, since it is larger than the sum of its proper divisors (8378137291057).

104663602113551 is a wasteful number, since it uses less digits than its factorization.

104663602113551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13999922.

The product of its (nonzero) digits is 388800, while the sum is 44.

Adding to 104663602113551 its reverse (155311206366401), we get a palindrome (259974808479952).

The spelling of 104663602113551 in words is "one hundred four trillion, six hundred sixty-three billion, six hundred two million, one hundred thirteen thousand, five hundred fifty-one".