13550015778008 has 16 divisors (see below), whose sum is σ = 25764114508560. Its totient is φ = 6679585242400.

The previous prime is 13550015777993. The next prime is 13550015778023. The reversal of 13550015778008 is 80087751005531.

It is an interprime number because it is at equal distance from previous prime (13550015777993) and next prime (13550015778023).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11927830223 + ... + 11927831358.

It is an arithmetic number, because the mean of its divisors is an integer number (1610257156785).

Almost surely, 2^{13550015778008} is an apocalyptic number.

It is an amenable number.

13550015778008 is a deficient number, since it is larger than the sum of its proper divisors (12214098730552).

13550015778008 is a wasteful number, since it uses less digits than its factorization.

13550015778008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855661658 (or 23855661654 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 50.

The spelling of 13550015778008 in words is "thirteen trillion, five hundred fifty billion, fifteen million, seven hundred seventy-eight thousand, eight".