27012361154 has 4 divisors (see below), whose sum is σ = 40518541734. Its totient is φ = 13506180576.

The previous prime is 27012361153. The next prime is 27012361163. The reversal of 27012361154 is 45116321072.

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

It can be written as a sum of positive squares in only one way, i.e., 20068972225 + 6943388929 = 141665^2 + 83327^2 .

It is a super-2 number, since 2×27012361154² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27012361154.

It is not an unprimeable number, because it can be changed into a prime (27012361151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6753090287 + ... + 6753090290.

Almost surely, 2^27012361154 is an apocalyptic number.

27012361154 is a deficient number, since it is larger than the sum of its proper divisors (13506180580).

27012361154 is a wasteful number, since it uses less digits than its factorization.

27012361154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13506180579.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 27012361154 in words is "twenty-seven billion, twelve million, three hundred sixty-one thousand, one hundred fifty-four".