27457711755081 has 8 divisors (see below), whose sum is σ = 36610322275200. Its totient is φ = 18305121202512.

The previous prime is 27457711755079. The next prime is 27457711755121. The reversal of 27457711755081 is 18055711775472.

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

It is not a de Polignac number, because 27457711755081 - 2¹ = 27457711755079 is a prime.

It is a super-2 number, since 2×27457711755081² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27457711745081) 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, 1417690 + ... + 7544883.

It is an arithmetic number, because the mean of its divisors is an integer number (4576290284400).

Almost surely, 2^{27457711755081} is an apocalyptic number.

It is an amenable number.

27457711755081 is a deficient number, since it is larger than the sum of its proper divisors (9152610520119).

27457711755081 is a wasteful number, since it uses less digits than its factorization.

27457711755081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9983775.

The product of its (nonzero) digits is 19208000, while the sum is 60.

The spelling of 27457711755081 in words is "twenty-seven trillion, four hundred fifty-seven billion, seven hundred eleven million, seven hundred fifty-five thousand, eighty-one".