11505345142 has 8 divisors (see below), whose sum is σ = 17276799600. Its totient is φ = 5746411944.

The previous prime is 11505345133. The next prime is 11505345161. The reversal of 11505345142 is 24154350511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128017 + ... + 3131692.

It is an arithmetic number, because the mean of its divisors is an integer number (2159599950).

Almost surely, 2^11505345142 is an apocalyptic number.

11505345142 is a deficient number, since it is larger than the sum of its proper divisors (5771454458).

11505345142 is an equidigital number, since it uses as much as digits as its factorization.

11505345142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260630.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 11505345142 its reverse (24154350511), we get a palindrome (35659695653).

The spelling of 11505345142 in words is "eleven billion, five hundred five million, three hundred forty-five thousand, one hundred forty-two".