11887009451387 has 8 divisors (see below), whose sum is σ = 13593159066336. Its totient is φ = 10182861188352.

The previous prime is 11887009451327. The next prime is 11887009451413. The reversal of 11887009451387 is 78315490078811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11887009451387 - 2⁸ = 11887009451131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11887009451327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500325248 + ... + 500349005.

It is an arithmetic number, because the mean of its divisors is an integer number (1699144883292).

Almost surely, 2^{11887009451387} is an apocalyptic number.

11887009451387 is a deficient number, since it is larger than the sum of its proper divisors (1706149614949).

11887009451387 is a wasteful number, since it uses less digits than its factorization.

11887009451387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000675957.

The product of its (nonzero) digits is 13547520, while the sum is 62.

The spelling of 11887009451387 in words is "eleven trillion, eight hundred eighty-seven billion, nine million, four hundred fifty-one thousand, three hundred eighty-seven".