1025426511 has 6 divisors (see below), whose sum is σ = 1481171640. Its totient is φ = 683617668.

The previous prime is 1025426509. The next prime is 1025426527. The reversal of 1025426511 is 1156245201.

1025426511 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 4 + 2 + 651 + 1 = 666.

It is not a de Polignac number, because 1025426511 - 2¹ = 1025426509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025426011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56968131 + ... + 56968148.

It is an arithmetic number, because the mean of its divisors is an integer number (246861940).

Almost surely, 2^1025426511 is an apocalyptic number.

1025426511 is a deficient number, since it is larger than the sum of its proper divisors (455745129).

1025426511 is a wasteful number, since it uses less digits than its factorization.

1025426511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113936285 (or 113936282 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1025426511 is about 32022.2814771215. The cubic root of 1025426511 is about 1008.4046673361.

The spelling of 1025426511 in words is "one billion, twenty-five million, four hundred twenty-six thousand, five hundred eleven".