11552012261023 has 16 divisors (see below), whose sum is σ = 13342481520480. Its totient is φ = 9911557678464.

The previous prime is 11552012261021. The next prime is 11552012261057. The reversal of 11552012261023 is 32016221025511.

11552012261023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11552012261023 - 2¹ = 11552012261021 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 (11552012261021) 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, 441206536 + ... + 441232717.

It is an arithmetic number, because the mean of its divisors is an integer number (833905095030).

Almost surely, 2^{11552012261023} is an apocalyptic number.

11552012261023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11552012261023 is a deficient number, since it is larger than the sum of its proper divisors (1790469259457).

11552012261023 is a wasteful number, since it uses less digits than its factorization.

11552012261023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882439338.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 11552012261023 its reverse (32016221025511), we get a palindrome (43568233286534).

The spelling of 11552012261023 in words is "eleven trillion, five hundred fifty-two billion, twelve million, two hundred sixty-one thousand, twenty-three".