32120354891137 has 2 divisors, whose sum is σ = 32120354891138. Its totient is φ = 32120354891136.

The previous prime is 32120354891087. The next prime is 32120354891147. The reversal of 32120354891137 is 73119845302123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29986532192016 + 2133822699121 = 5475996^2 + 1460761^2 .

It is a cyclic number.

It is not a de Polignac number, because 32120354891137 - 2¹⁵ = 32120354858369 is a prime.

It is not a weakly prime, because it can be changed into another prime (32120354891147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060177445568 + 16060177445569.

It is an arithmetic number, because the mean of its divisors is an integer number (16060177445569).

Almost surely, 2^{32120354891137} is an apocalyptic number.

It is an amenable number.

32120354891137 is a deficient number, since it is larger than the sum of its proper divisors (1).

32120354891137 is an equidigital number, since it uses as much as digits as its factorization.

32120354891137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 32120354891137 in words is "thirty-two trillion, one hundred twenty billion, three hundred fifty-four million, eight hundred ninety-one thousand, one hundred thirty-seven".