10966377555 has 48 divisors (see below), whose sum is σ = 21934848000. Its totient is φ = 4964514624.

The previous prime is 10966377551. The next prime is 10966377577. The reversal of 10966377555 is 55577366901.

10966377555 is a `hidden beast` number, since 10 + 9 + 6 + 6 + 3 + 77 + 555 = 666.

It is not a de Polignac number, because 10966377555 - 2² = 10966377551 is a prime.

It is a super-2 number, since 2×10966377555² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10966377551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136555 + ... + 201444.

It is an arithmetic number, because the mean of its divisors is an integer number (456976000).

Almost surely, 2^10966377555 is an apocalyptic number.

10966377555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10966377555 is an abundant number, since it is smaller than the sum of its proper divisors (10968470445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10966377555 is a wasteful number, since it uses less digits than its factorization.

10966377555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338120 (or 338117 counting only the distinct ones).

The product of its (nonzero) digits is 5953500, while the sum is 54.

It can be divided in two parts, 10966 and 377555, that added together give a triangular number (388521 = T₈₈₁).

The spelling of 10966377555 in words is "ten billion, nine hundred sixty-six million, three hundred seventy-seven thousand, five hundred fifty-five".