11975269632 has 144 divisors (see below), whose sum is σ = 32993201472. Its totient is φ = 3853025280.

The previous prime is 11975269609. The next prime is 11975269643. The reversal of 11975269632 is 23696257911.

It is a super-3 number, since 3×11975269632³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3720888 + ... + 3724104.

Almost surely, 2^11975269632 is an apocalyptic number.

11975269632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11975269632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16496600736).

11975269632 is an abundant number, since it is smaller than the sum of its proper divisors (21017931840).

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

11975269632 is a wasteful number, since it uses less digits than its factorization.

11975269632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404 (or 3390 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 51.

The spelling of 11975269632 in words is "eleven billion, nine hundred seventy-five million, two hundred sixty-nine thousand, six hundred thirty-two".