11523113151 has 16 divisors (see below), whose sum is σ = 16834739328. Its totient is φ = 6952935200.

The previous prime is 11523113117. The next prime is 11523113153. The reversal of 11523113151 is 15131132511.

It is a cyclic number.

It is not a de Polignac number, because 11523113151 - 2⁶ = 11523113087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523113153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761640 + ... + 776621.

It is an arithmetic number, because the mean of its divisors is an integer number (1052171208).

Almost surely, 2^11523113151 is an apocalyptic number.

11523113151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11523113151 is a deficient number, since it is larger than the sum of its proper divisors (5311626177).

11523113151 is a wasteful number, since it uses less digits than its factorization.

11523113151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538502.

The product of its digits is 450, while the sum is 24.

Adding to 11523113151 its reverse (15131132511), we get a palindrome (26654245662).

The spelling of 11523113151 in words is "eleven billion, five hundred twenty-three million, one hundred thirteen thousand, one hundred fifty-one".