19120930109507 has 2 divisors, whose sum is σ = 19120930109508. Its totient is φ = 19120930109506.

The previous prime is 19120930109497. The next prime is 19120930109521. The reversal of 19120930109507 is 70590103902191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19120930109507 - 2¹² = 19120930105411 is a prime.

It is not a weakly prime, because it can be changed into another prime (19120930109537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9560465054753 + 9560465054754.

It is an arithmetic number, because the mean of its divisors is an integer number (9560465054754).

Almost surely, 2^{19120930109507} is an apocalyptic number.

19120930109507 is a deficient number, since it is larger than the sum of its proper divisors (1).

19120930109507 is an equidigital number, since it uses as much as digits as its factorization.

19120930109507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 47.

The spelling of 19120930109507 in words is "nineteen trillion, one hundred twenty billion, nine hundred thirty million, one hundred nine thousand, five hundred seven".