130552221991 has 2 divisors, whose sum is σ = 130552221992. Its totient is φ = 130552221990.

The previous prime is 130552221977. The next prime is 130552222013. The reversal of 130552221991 is 199122255031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130552221991 - 2²¹ = 130550124839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130552221391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65276110995 + 65276110996.

It is an arithmetic number, because the mean of its divisors is an integer number (65276110996).

Almost surely, 2^130552221991 is an apocalyptic number.

130552221991 is a deficient number, since it is larger than the sum of its proper divisors (1).

130552221991 is an equidigital number, since it uses as much as digits as its factorization.

130552221991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 130552221991 in words is "one hundred thirty billion, five hundred fifty-two million, two hundred twenty-one thousand, nine hundred ninety-one".