1025187011 has 2 divisors, whose sum is σ = 1025187012. Its totient is φ = 1025187010.

The previous prime is 1025186999. The next prime is 1025187043. The reversal of 1025187011 is 1107815201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025187011 is a prime.

It is a super-2 number, since 2×1025187011² = 2102016815046228242, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1025187311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512593505 + 512593506.

It is an arithmetic number, because the mean of its divisors is an integer number (512593506).

Almost surely, 2^1025187011 is an apocalyptic number.

1025187011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025187011 is an equidigital number, since it uses as much as digits as its factorization.

1025187011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 26.

The square root of 1025187011 is about 32018.5416750982. The cubic root of 1025187011 is about 1008.3261531048.

The spelling of 1025187011 in words is "one billion, twenty-five million, one hundred eighty-seven thousand, eleven".