11620423632 has 160 divisors (see below), whose sum is σ = 31277998080. Its totient is φ = 3715269120.

The previous prime is 11620423631. The next prime is 11620423637. The reversal of 11620423632 is 23632402611.

It is a self number, because there is not a number n which added to its sum of digits gives 11620423632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620423631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42879657 + ... + 42879927.

It is an arithmetic number, because the mean of its divisors is an integer number (195487488).

Almost surely, 2^11620423632 is an apocalyptic number.

11620423632 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 11620423632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15638999040).

11620423632 is an abundant number, since it is smaller than the sum of its proper divisors (19657574448).

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

11620423632 is a wasteful number, since it uses less digits than its factorization.

11620423632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 11620423632 in words is "eleven billion, six hundred twenty million, four hundred twenty-three thousand, six hundred thirty-two".