61132201001 has 2 divisors, whose sum is σ = 61132201002. Its totient is φ = 61132201000.

The previous prime is 61132200937. The next prime is 61132201049. The reversal of 61132201001 is 10010223116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49800385600 + 11331815401 = 223160^2 + 106451^2 .

It is a cyclic number.

It is not a de Polignac number, because 61132201001 - 2⁶ = 61132200937 is a prime.

It is not a weakly prime, because it can be changed into another prime (61132200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30566100500 + 30566100501.

It is an arithmetic number, because the mean of its divisors is an integer number (30566100501).

Almost surely, 2^61132201001 is an apocalyptic number.

It is an amenable number.

61132201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

61132201001 is an equidigital number, since it uses as much as digits as its factorization.

61132201001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 61132201001 its reverse (10010223116), we get a palindrome (71142424117).

The spelling of 61132201001 in words is "sixty-one billion, one hundred thirty-two million, two hundred one thousand, one".