11151438748129 has 9 divisors (see below), whose sum is σ = 11181913273713. Its totient is φ = 11121047078052.

The previous prime is 11151438748127. The next prime is 11151438748181. The reversal of 11151438748129 is 92184783415111.

The square root of 11151438748129 is 3339377.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 11151438748129 - 2¹ = 11151438748127 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 11151438748129.

It is not an unprimeable number, because it can be changed into a prime (11151438748127) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1278977032 + ... + 1278985750.

Almost surely, 2^{11151438748129} is an apocalyptic number.

11151438748129 is the 3339377-th square number.

11151438748129 is the 1669689-th centered octagonal number.

It is an amenable number.

11151438748129 is a deficient number, since it is larger than the sum of its proper divisors (30474525584).

11151438748129 is an frugal number, since it uses more digits than its factorization.

11151438748129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18204 (or 9102 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 55.

The spelling of 11151438748129 in words is "eleven trillion, one hundred fifty-one billion, four hundred thirty-eight million, seven hundred forty-eight thousand, one hundred twenty-nine".