10938978954 has 24 divisors (see below), whose sum is σ = 23714944032. Its totient is φ = 3644199720.

The previous prime is 10938978929. The next prime is 10938978979. The reversal of 10938978954 is 45987983901.

It is an interprime number because it is at equal distance from previous prime (10938978929) and next prime (10938978979).

It is a super-2 number, since 2×10938978954² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10938978891 and 10938978900.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145342 + ... + 207369.

It is an arithmetic number, because the mean of its divisors is an integer number (988122668).

Almost surely, 2^10938978954 is an apocalyptic number.

10938978954 is an abundant number, since it is smaller than the sum of its proper divisors (12775965078).

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

10938978954 is a wasteful number, since it uses less digits than its factorization.

10938978954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354442 (or 354439 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 10938978954 in words is "ten billion, nine hundred thirty-eight million, nine hundred seventy-eight thousand, nine hundred fifty-four".