2011251502 has 16 divisors (see below), whose sum is σ = 3274532352. Its totient is φ = 920959200.

The previous prime is 2011251499. The next prime is 2011251503. The reversal of 2011251502 is 2051521102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011251502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011251503) 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 7 ways as a sum of consecutive naturals, for example, 301249 + ... + 307852.

It is an arithmetic number, because the mean of its divisors is an integer number (204658272).

Almost surely, 2^2011251502 is an apocalyptic number.

2011251502 is a deficient number, since it is larger than the sum of its proper divisors (1263280850).

2011251502 is a wasteful number, since it uses less digits than its factorization.

2011251502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609243.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2011251502 is about 44846.9787388181. The cubic root of 2011251502 is about 1262.2793004666.

Adding to 2011251502 its reverse (2051521102), we get a palindrome (4062772604).

The spelling of 2011251502 in words is "two billion, eleven million, two hundred fifty-one thousand, five hundred two".