10977181555 has 8 divisors (see below), whose sum is σ = 13221226944. Its totient is φ = 8749339200.

The previous prime is 10977181547. The next prime is 10977181559. The reversal of 10977181555 is 55518177901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10977181555 - 2³ = 10977181547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10977181499 and 10977181508.

It is not an unprimeable number, because it can be changed into a prime (10977181559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4049266 + ... + 4051975.

It is an arithmetic number, because the mean of its divisors is an integer number (1652653368).

Almost surely, 2^10977181555 is an apocalyptic number.

10977181555 is a deficient number, since it is larger than the sum of its proper divisors (2244045389).

10977181555 is an equidigital number, since it uses as much as digits as its factorization.

10977181555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101517.

The product of its (nonzero) digits is 441000, while the sum is 49.

The spelling of 10977181555 in words is "ten billion, nine hundred seventy-seven million, one hundred eighty-one thousand, five hundred fifty-five".