11951397024 has 192 divisors, whose sum is σ = 37876608000. Its totient is φ = 3223369728.

The previous prime is 11951396971. The next prime is 11951397037. The reversal of 11951397024 is 42079315911.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 3918252 + ... + 3921300.

It is an arithmetic number, because the mean of its divisors is an integer number (197274000).

Almost surely, 2^11951397024 is an apocalyptic number.

11951397024 is a gapful number since it is divisible by the number (14) 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 11951397024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18938304000).

11951397024 is an abundant number, since it is smaller than the sum of its proper divisors (25925210976).

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

11951397024 is a wasteful number, since it uses less digits than its factorization.

11951397024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3387 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 11951397024 in words is "eleven billion, nine hundred fifty-one million, three hundred ninety-seven thousand, twenty-four".