11523455101 has 12 divisors (see below), whose sum is σ = 12055010688. Its totient is φ = 11014427864.

The previous prime is 11523455063. The next prime is 11523455123. The reversal of 11523455101 is 10155432511.

It is not a de Polignac number, because 11523455101 - 2²¹ = 11521357949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11523455101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523450101) 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, 798516 + ... + 812818.

It is an arithmetic number, because the mean of its divisors is an integer number (1004584224).

Almost surely, 2^11523455101 is an apocalyptic number.

It is an amenable number.

11523455101 is a deficient number, since it is larger than the sum of its proper divisors (531555587).

11523455101 is a wasteful number, since it uses less digits than its factorization.

11523455101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872 (or 15849 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 11523455101 its reverse (10155432511), we get a palindrome (21678887612).

The spelling of 11523455101 in words is "eleven billion, five hundred twenty-three million, four hundred fifty-five thousand, one hundred one".