11111004551252 has 48 divisors (see below), whose sum is σ = 19669852339200. Its totient is φ = 5491238457600.

The previous prime is 11111004551201. The next prime is 11111004551267. The reversal of 11111004551252 is 25215540011111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888660833 + ... + 888673335.

It is an arithmetic number, because the mean of its divisors is an integer number (409788590400).

Almost surely, 2^{11111004551252} is an apocalyptic number.

It is an amenable number.

11111004551252 is a deficient number, since it is larger than the sum of its proper divisors (8558847787948).

11111004551252 is a wasteful number, since it uses less digits than its factorization.

11111004551252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16136 (or 16134 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 29.

Adding to 11111004551252 its reverse (25215540011111), we get a palindrome (36326544562363).

The spelling of 11111004551252 in words is "eleven trillion, one hundred eleven billion, four million, five hundred fifty-one thousand, two hundred fifty-two".