38678632551011 has 4 divisors (see below), whose sum is σ = 38678652998832. Its totient is φ = 38678612103192.

The previous prime is 38678632550993. The next prime is 38678632551017. The reversal of 38678632551011 is 11015523687683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38678632551011 - 2⁶ = 38678632550947 is a prime.

It is a super-2 number, since 2×38678632551011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38678632551017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7060220 + ... + 11278473.

It is an arithmetic number, because the mean of its divisors is an integer number (9669663249708).

Almost surely, 2^{38678632551011} is an apocalyptic number.

38678632551011 is a deficient number, since it is larger than the sum of its proper divisors (20447821).

38678632551011 is a wasteful number, since it uses less digits than its factorization.

38678632551011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20447820.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 38678632551011 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty-two million, five hundred fifty-one thousand, eleven".