11804988142 has 16 divisors (see below), whose sum is σ = 18549287712. Its totient is φ = 5623889920.

The previous prime is 11804988127. The next prime is 11804988203. The reversal of 11804988142 is 24188940811.

It is a super-2 number, since 2×11804988142² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 11804988092 and 11804988101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487459 + ... + 511102.

It is an arithmetic number, because the mean of its divisors is an integer number (1159330482).

Almost surely, 2^11804988142 is an apocalyptic number.

11804988142 is a deficient number, since it is larger than the sum of its proper divisors (6744299570).

11804988142 is a wasteful number, since it uses less digits than its factorization.

11804988142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998843.

The product of its (nonzero) digits is 147456, while the sum is 46.

The spelling of 11804988142 in words is "eleven billion, eight hundred four million, nine hundred eighty-eight thousand, one hundred forty-two".