10978534061 has 4 divisors (see below), whose sum is σ = 11976582624. Its totient is φ = 9980485500.

The previous prime is 10978534051. The next prime is 10978534079. The reversal of 10978534061 is 16043587901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10978534061 - 2¹⁴ = 10978517677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10978534051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499024265 + ... + 499024286.

It is an arithmetic number, because the mean of its divisors is an integer number (2994145656).

Almost surely, 2^10978534061 is an apocalyptic number.

10978534061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10978534061 is a deficient number, since it is larger than the sum of its proper divisors (998048563).

10978534061 is an equidigital number, since it uses as much as digits as its factorization.

10978534061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998048562.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 10978534061 in words is "ten billion, nine hundred seventy-eight million, five hundred thirty-four thousand, sixty-one".