11548692420 has 96 divisors (see below), whose sum is σ = 33443020800. Its totient is φ = 2975915904.

The previous prime is 11548692401. The next prime is 11548692443. The reversal of 11548692420 is 2429684511.

It is a super-2 number, since 2×11548692420² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196861 + ... + 248699.

It is an arithmetic number, because the mean of its divisors is an integer number (348364800).

Almost surely, 2^11548692420 is an apocalyptic number.

11548692420 is a gapful number since it is divisible by the number (10) 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 11548692420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16721510400).

11548692420 is an abundant number, since it is smaller than the sum of its proper divisors (21894328380).

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

11548692420 is a wasteful number, since it uses less digits than its factorization.

11548692420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51977 (or 51975 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 11548692420 in words is "eleven billion, five hundred forty-eight million, six hundred ninety-two thousand, four hundred twenty".