11502323051 has 8 divisors (see below), whose sum is σ = 11599956000. Its totient is φ = 11404962880.

The previous prime is 11502323047. The next prime is 11502323057. The reversal of 11502323051 is 15032320511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11502323051 - 2² = 11502323047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11502323057) 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 7 ways as a sum of consecutive naturals, for example, 16946 + ... + 152616.

It is an arithmetic number, because the mean of its divisors is an integer number (1449994500).

Almost surely, 2^11502323051 is an apocalyptic number.

11502323051 is a deficient number, since it is larger than the sum of its proper divisors (97632949).

11502323051 is a wasteful number, since it uses less digits than its factorization.

11502323051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136389.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 11502323051 its reverse (15032320511), we get a palindrome (26534643562).

The spelling of 11502323051 in words is "eleven billion, five hundred two million, three hundred twenty-three thousand, fifty-one".