10920185377 has 4 divisors (see below), whose sum is σ = 10960481536. Its totient is φ = 10879889220.

The previous prime is 10920185369. The next prime is 10920185401. The reversal of 10920185377 is 77358102901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77358102901 = 47 ⋅1645917083.

It is a cyclic number.

It is not a de Polignac number, because 10920185377 - 2³ = 10920185369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10920185327) 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, 20147673 + ... + 20148214.

It is an arithmetic number, because the mean of its divisors is an integer number (2740120384).

Almost surely, 2^10920185377 is an apocalyptic number.

It is an amenable number.

10920185377 is a deficient number, since it is larger than the sum of its proper divisors (40296159).

10920185377 is an equidigital number, since it uses as much as digits as its factorization.

10920185377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40296158.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 10920185377 in words is "ten billion, nine hundred twenty million, one hundred eighty-five thousand, three hundred seventy-seven".