11505142002 has 8 divisors (see below), whose sum is σ = 23010284016. Its totient is φ = 3835047332.

The previous prime is 11505142001. The next prime is 11505142007. The reversal of 11505142002 is 20024150511.

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

11505142002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11505142002.

It is not an unprimeable number, because it can be changed into a prime (11505142001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958761828 + ... + 958761839.

It is an arithmetic number, because the mean of its divisors is an integer number (2876285502).

Almost surely, 2^11505142002 is an apocalyptic number.

11505142002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11505142002 is a wasteful number, since it uses less digits than its factorization.

11505142002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917523672.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 11505142002 its reverse (20024150511), we get a palindrome (31529292513).

The spelling of 11505142002 in words is "eleven billion, five hundred five million, one hundred forty-two thousand, two".