10921925952 has 840 divisors, whose sum is σ = 41483523840. Its totient is φ = 2821754880.

The previous prime is 10921925909. The next prime is 10921925969. The reversal of 10921925952 is 25952912901.

It is a super-2 number, since 2×10921925952² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10921925898 and 10921925907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 149615388 + ... + 149615460.

Almost surely, 2^10921925952 is an apocalyptic number.

10921925952 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 10921925952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20741761920).

10921925952 is an abundant number, since it is smaller than the sum of its proper divisors (30561597888).

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

10921925952 is a wasteful number, since it uses less digits than its factorization.

10921925952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The spelling of 10921925952 in words is "ten billion, nine hundred twenty-one million, nine hundred twenty-five thousand, nine hundred fifty-two".