1953125011 has 2 divisors, whose sum is σ = 1953125012. Its totient is φ = 1953125010.

The previous prime is 1953124993. The next prime is 1953125047. The reversal of 1953125011 is 1105213591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1953125011 - 2⁹ = 1953124499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1953125051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976562505 + 976562506.

It is an arithmetic number, because the mean of its divisors is an integer number (976562506).

Almost surely, 2^1953125011 is an apocalyptic number.

1953125011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1953125011 is an equidigital number, since it uses as much as digits as its factorization.

1953125011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 1953125011 is about 44194.1739486100. The cubic root of 1953125011 is about 1250.0000023467. Note that the first 5 decimals are identical.

The spelling of 1953125011 in words is "one billion, nine hundred fifty-three million, one hundred twenty-five thousand, eleven".