27267157201 has 2 divisors, whose sum is σ = 27267157202. Its totient is φ = 27267157200.

The previous prime is 27267157121. The next prime is 27267157243. The reversal of 27267157201 is 10275176272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21433252801 + 5833904400 = 146401^2 + 76380^2 .

It is a cyclic number.

It is not a de Polignac number, because 27267157201 - 2¹³ = 27267149009 is a prime.

It is not a weakly prime, because it can be changed into another prime (27267157901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13633578600 + 13633578601.

It is an arithmetic number, because the mean of its divisors is an integer number (13633578601).

Almost surely, 2^27267157201 is an apocalyptic number.

It is an amenable number.

27267157201 is a deficient number, since it is larger than the sum of its proper divisors (1).

27267157201 is an equidigital number, since it uses as much as digits as its factorization.

27267157201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 27267157201 in words is "twenty-seven billion, two hundred sixty-seven million, one hundred fifty-seven thousand, two hundred one".