10978185325477 has 16 divisors (see below), whose sum is σ = 11867964635520. Its totient is φ = 10117554089472.

The previous prime is 10978185325453. The next prime is 10978185325493. The reversal of 10978185325477 is 77452358187901.

It is a cyclic number.

It is not a de Polignac number, because 10978185325477 - 2¹⁹ = 10978184801189 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 (10978185325447) 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, 31648513 + ... + 31993510.

It is an arithmetic number, because the mean of its divisors is an integer number (741747789720).

Almost surely, 2^{10978185325477} is an apocalyptic number.

10978185325477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10978185325477 is a deficient number, since it is larger than the sum of its proper divisors (889779310043).

10978185325477 is a wasteful number, since it uses less digits than its factorization.

10978185325477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63642252.

The product of its (nonzero) digits is 118540800, while the sum is 67.

The spelling of 10978185325477 in words is "ten trillion, nine hundred seventy-eight billion, one hundred eighty-five million, three hundred twenty-five thousand, four hundred seventy-seven".