1025386911 has 24 divisors (see below), whose sum is σ = 1531468080. Its totient is φ = 678066480.

The previous prime is 1025386891. The next prime is 1025386913. The reversal of 1025386911 is 1196835201.

1025386911 is a `hidden beast` number, since 102 + 538 + 6 + 9 + 11 = 666.

It is not a de Polignac number, because 1025386911 - 2¹¹ = 1025384863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025386913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462241 + ... + 464453.

It is an arithmetic number, because the mean of its divisors is an integer number (63811170).

Almost surely, 2^1025386911 is an apocalyptic number.

1025386911 is a deficient number, since it is larger than the sum of its proper divisors (506081169).

1025386911 is an equidigital number, since it uses as much as digits as its factorization.

1025386911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1025386911 is about 32021.6631516853. The cubic root of 1025386911 is about 1008.3916862860.

The spelling of 1025386911 in words is "one billion, twenty-five million, three hundred eighty-six thousand, nine hundred eleven".