190542728011 has 2 divisors, whose sum is σ = 190542728012. Its totient is φ = 190542728010.

The previous prime is 190542727987. The next prime is 190542728023. The reversal of 190542728011 is 110827245091.

It is a strong prime.

It is an emirp because it is prime and its reverse (110827245091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190542728011 - 2⁷ = 190542727883 is a prime.

It is a super-2 number, since 2×190542728011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190542728041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95271364005 + 95271364006.

It is an arithmetic number, because the mean of its divisors is an integer number (95271364006).

Almost surely, 2^190542728011 is an apocalyptic number.

190542728011 is a deficient number, since it is larger than the sum of its proper divisors (1).

190542728011 is an equidigital number, since it uses as much as digits as its factorization.

190542728011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 190542728011 in words is "one hundred ninety billion, five hundred forty-two million, seven hundred twenty-eight thousand, eleven".