11778433152 has 32 divisors (see below), whose sum is σ = 31286464080. Its totient is φ = 3926144256.

The previous prime is 11778433151. The next prime is 11778433181. The reversal of 11778433152 is 25133487711.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×11778433152² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11778433151) 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, 15336118 + ... + 15336885.

Almost surely, 2^11778433152 is an apocalyptic number.

11778433152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11778433152 is an abundant number, since it is smaller than the sum of its proper divisors (19508030928).

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

11778433152 is an equidigital number, since it uses as much as digits as its factorization.

11778433152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673020 (or 30673008 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The spelling of 11778433152 in words is "eleven billion, seven hundred seventy-eight million, four hundred thirty-three thousand, one hundred fifty-two".