11123501021025 has 48 divisors (see below), whose sum is σ = 19852197413760. Its totient is φ = 5478921817600.

The previous prime is 11123501020981. The next prime is 11123501021057. The reversal of 11123501021025 is 52012010532111.

It is not a de Polignac number, because 11123501021025 - 2⁷ = 11123501020897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11123501020986 and 11123501021004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111129396 + ... + 111229445.

It is an arithmetic number, because the mean of its divisors is an integer number (413587446120).

Almost surely, 2^{11123501021025} is an apocalyptic number.

11123501021025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11123501021025 is a deficient number, since it is larger than the sum of its proper divisors (8728696392735).

11123501021025 is a wasteful number, since it uses less digits than its factorization.

11123501021025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222358906 (or 222358901 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 11123501021025 its reverse (52012010532111), we get a palindrome (63135511553136).

The spelling of 11123501021025 in words is "eleven trillion, one hundred twenty-three billion, five hundred one million, twenty-one thousand, twenty-five".