11132511442 has 16 divisors (see below), whose sum is σ = 17989655040. Its totient is φ = 5136262992.

The previous prime is 11132511413. The next prime is 11132511443. The reversal of 11132511442 is 24411523111.

It is a happy number.

It is a super-2 number, since 2×11132511442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11132511443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 149215.

It is an arithmetic number, because the mean of its divisors is an integer number (1124353440).

Almost surely, 2^11132511442 is an apocalyptic number.

11132511442 is a deficient number, since it is larger than the sum of its proper divisors (6857143598).

11132511442 is a wasteful number, since it uses less digits than its factorization.

11132511442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151617.

The product of its digits is 960, while the sum is 25.

The spelling of 11132511442 in words is "eleven billion, one hundred thirty-two million, five hundred eleven thousand, four hundred forty-two".