38678403555135 has 16 divisors (see below), whose sum is σ = 68761606320480. Its totient is φ = 20628481896000.

The previous prime is 38678403555131. The next prime is 38678403555161. The reversal of 38678403555135 is 53155530487683.

38678403555135 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 8 + 40 + 3 + 5 + 551 + 35 = 666.

It is not a de Polignac number, because 38678403555135 - 2² = 38678403555131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678403555131) 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, 143253346366 + ... + 143253346635.

It is an arithmetic number, because the mean of its divisors is an integer number (4297600395030).

Almost surely, 2^{38678403555135} is an apocalyptic number.

38678403555135 is a deficient number, since it is larger than the sum of its proper divisors (30083202765345).

38678403555135 is a wasteful number, since it uses less digits than its factorization.

38678403555135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286506693015 (or 286506693009 counting only the distinct ones).

The product of its (nonzero) digits is 181440000, while the sum is 63.

The spelling of 38678403555135 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, five hundred fifty-five thousand, one hundred thirty-five".