32251315121 has 2 divisors, whose sum is σ = 32251315122. Its totient is φ = 32251315120.

The previous prime is 32251315097. The next prime is 32251315133. The reversal of 32251315121 is 12151315223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17504613025 + 14746702096 = 132305^2 + 121436^2 .

It is an emirp because it is prime and its reverse (12151315223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32251315121 - 2²² = 32247120817 is a prime.

It is not a weakly prime, because it can be changed into another prime (32251315721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16125657560 + 16125657561.

It is an arithmetic number, because the mean of its divisors is an integer number (16125657561).

Almost surely, 2^32251315121 is an apocalyptic number.

It is an amenable number.

32251315121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32251315121 is an equidigital number, since it uses as much as digits as its factorization.

32251315121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The spelling of 32251315121 in words is "thirty-two billion, two hundred fifty-one million, three hundred fifteen thousand, one hundred twenty-one".