10911978415873 has 16 divisors (see below), whose sum is σ = 11555475765120. Its totient is φ = 10275403654656.

The previous prime is 10911978415837. The next prime is 10911978415883. The reversal of 10911978415873 is 37851487911901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10911978415873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10911978415883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151357311 + ... + 151429387.

It is an arithmetic number, because the mean of its divisors is an integer number (722217235320).

Almost surely, 2^{10911978415873} is an apocalyptic number.

It is an amenable number.

10911978415873 is a deficient number, since it is larger than the sum of its proper divisors (643497349247).

10911978415873 is a wasteful number, since it uses less digits than its factorization.

10911978415873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119976.

The product of its (nonzero) digits is 15240960, while the sum is 64.

The spelling of 10911978415873 in words is "ten trillion, nine hundred eleven billion, nine hundred seventy-eight million, four hundred fifteen thousand, eight hundred seventy-three".