10978800431 has 4 divisors (see below), whose sum is σ = 11142663192. Its totient is φ = 10814937672.

The previous prime is 10978800409. The next prime is 10978800451. The reversal of 10978800431 is 13400887901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13400887901 = 107 ⋅125241943.

It is a cyclic number.

It is not a de Polignac number, because 10978800431 - 2²² = 10974606127 is a prime.

It is a super-2 number, since 2×10978800431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10978800401) 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, 81931280 + ... + 81931413.

It is an arithmetic number, because the mean of its divisors is an integer number (2785665798).

Almost surely, 2^10978800431 is an apocalyptic number.

10978800431 is a deficient number, since it is larger than the sum of its proper divisors (163862761).

10978800431 is an equidigital number, since it uses as much as digits as its factorization.

10978800431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163862760.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 10978800431 in words is "ten billion, nine hundred seventy-eight million, eight hundred thousand, four hundred thirty-one".