11651301420 has 192 divisors, whose sum is σ = 36128719872. Its totient is φ = 2782080000.

The previous prime is 11651301419. The next prime is 11651301449. The reversal of 11651301420 is 2410315611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18464505 + ... + 18465135.

It is an arithmetic number, because the mean of its divisors is an integer number (188170416).

Almost surely, 2^11651301420 is an apocalyptic number.

11651301420 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 11651301420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18064359936).

11651301420 is an abundant number, since it is smaller than the sum of its proper divisors (24477418452).

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

11651301420 is a wasteful number, since it uses less digits than its factorization.

11651301420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 11651301420 in words is "eleven billion, six hundred fifty-one million, three hundred one thousand, four hundred twenty".