11402143120 has 20 divisors (see below), whose sum is σ = 26509982940. Its totient is φ = 4560857216.

The previous prime is 11402143087. The next prime is 11402143127. The reversal of 11402143120 is 2134120411.

It can be written as a sum of positive squares in 2 ways, for example, as 7749633024 + 3652510096 = 88032^2 + 60436^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (11402143127) 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, 71263315 + ... + 71263474.

It is an arithmetic number, because the mean of its divisors is an integer number (1325499147).

Almost surely, 2^11402143120 is an apocalyptic number.

11402143120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11402143120 is an abundant number, since it is smaller than the sum of its proper divisors (15107839820).

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

11402143120 is a wasteful number, since it uses less digits than its factorization.

11402143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142526802 (or 142526796 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11402143120 its reverse (2134120411), we get a palindrome (13536263531).

The spelling of 11402143120 in words is "eleven billion, four hundred two million, one hundred forty-three thousand, one hundred twenty".