1011525011 has 16 divisors (see below), whose sum is σ = 1174468800. Its totient is φ = 853244928.

The previous prime is 1011524977. The next prime is 1011525013. The reversal of 1011525011 is 1105251101.

1011525011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1011525011 - 2²² = 1007330707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011525013) 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, 258155 + ... + 262043.

It is an arithmetic number, because the mean of its divisors is an integer number (73404300).

Almost surely, 2^1011525011 is an apocalyptic number.

1011525011 is a deficient number, since it is larger than the sum of its proper divisors (162943789).

1011525011 is an equidigital number, since it uses as much as digits as its factorization.

1011525011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478.

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 1011525011 is about 31804.4809893197. The cubic root of 1011525011 is about 1003.8270056775.

Adding to 1011525011 its reverse (1105251101), we get a palindrome (2116776112).

The spelling of 1011525011 in words is "one billion, eleven million, five hundred twenty-five thousand, eleven".