2011519525 has 12 divisors (see below), whose sum is σ = 2524338432. Its totient is φ = 1589825840.

The previous prime is 2011519483. The next prime is 2011519529. The reversal of 2011519525 is 5259151102.

It is a happy number.

It is not a de Polignac number, because 2011519525 - 2²⁹ = 1474648613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011519529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482629 + ... + 486778.

It is an arithmetic number, because the mean of its divisors is an integer number (210361536).

Almost surely, 2^2011519525 is an apocalyptic number.

2011519525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2011519525 is a deficient number, since it is larger than the sum of its proper divisors (512818907).

2011519525 is an equidigital number, since it uses as much as digits as its factorization.

2011519525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969500 (or 969495 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 2011519525 is about 44849.9668338785. The cubic root of 2011519525 is about 1262.3353691809.

The spelling of 2011519525 in words is "two billion, eleven million, five hundred nineteen thousand, five hundred twenty-five".