27251156137 has 4 divisors (see below), whose sum is σ = 27447207760. Its totient is φ = 27055104516.

The previous prime is 27251156123. The next prime is 27251156147. The reversal of 27251156137 is 73165115272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27251156137 - 2¹¹ = 27251154089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27251156137.

It is not an unprimeable number, because it can be changed into a prime (27251156147) 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, 98025603 + ... + 98025880.

It is an arithmetic number, because the mean of its divisors is an integer number (6861801940).

Almost surely, 2^27251156137 is an apocalyptic number.

It is an amenable number.

27251156137 is a deficient number, since it is larger than the sum of its proper divisors (196051623).

27251156137 is a wasteful number, since it uses less digits than its factorization.

27251156137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196051622.

The product of its digits is 88200, while the sum is 40.

The spelling of 27251156137 in words is "twenty-seven billion, two hundred fifty-one million, one hundred fifty-six thousand, one hundred thirty-seven".