1025425011 has 16 divisors (see below), whose sum is σ = 1473888416. Its totient is φ = 630395136.

The previous prime is 1025424997. The next prime is 1025425043. The reversal of 1025425011 is 1105245201.

It is not a de Polignac number, because 1025425011 - 2¹¹ = 1025422963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1025425081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27561 + ... + 53013.

It is an arithmetic number, because the mean of its divisors is an integer number (92118026).

Almost surely, 2^1025425011 is an apocalyptic number.

1025425011 is a deficient number, since it is larger than the sum of its proper divisors (448463405).

1025425011 is a wasteful number, since it uses less digits than its factorization.

1025425011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26502.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1025425011 is about 32022.2580559210. The cubic root of 1025425011 is about 1008.4041756358.

The spelling of 1025425011 in words is "one billion, twenty-five million, four hundred twenty-five thousand, eleven".