27157012315851 has 8 divisors (see below), whose sum is σ = 39501108823104. Its totient is φ = 16458795342920.

The previous prime is 27157012315847. The next prime is 27157012315859. The reversal of 27157012315851 is 15851321075172.

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 27157012315851 - 2² = 27157012315847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27157012315851.

It is not an unprimeable number, because it can be changed into a prime (27157012315859) 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, 411469883541 + ... + 411469883606.

It is an arithmetic number, because the mean of its divisors is an integer number (4937638602888).

Almost surely, 2^{27157012315851} is an apocalyptic number.

27157012315851 is a deficient number, since it is larger than the sum of its proper divisors (12344096507253).

27157012315851 is a wasteful number, since it uses less digits than its factorization.

27157012315851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822939767161.

The product of its (nonzero) digits is 588000, while the sum is 48.

The spelling of 27157012315851 in words is "twenty-seven trillion, one hundred fifty-seven billion, twelve million, three hundred fifteen thousand, eight hundred fifty-one".