10541978916 has 144 divisors (see below), whose sum is σ = 29365604352. Its totient is φ = 2880360000.

The previous prime is 10541978899. The next prime is 10541978921. The reversal of 10541978916 is 61987914501.

It is a super-2 number, since 2×10541978916² (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 47 ways as a sum of consecutive naturals, for example, 41999791 + ... + 42000041.

It is an arithmetic number, because the mean of its divisors is an integer number (203927808).

Almost surely, 2^10541978916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10541978916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14682802176).

10541978916 is an abundant number, since it is smaller than the sum of its proper divisors (18823625436).

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

10541978916 is a wasteful number, since it uses less digits than its factorization.

10541978916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 10541978916 in words is "ten billion, five hundred forty-one million, nine hundred seventy-eight thousand, nine hundred sixteen".