11777376045 has 16 divisors (see below), whose sum is σ = 19019914560. Its totient is φ = 6222562944.

The previous prime is 11777376041. The next prime is 11777376047. The reversal of 11777376045 is 54067377711.

It is not a de Polignac number, because 11777376045 - 2² = 11777376041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11777375985 and 11777376003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11777376041) 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, 3667360 + ... + 3670569.

It is an arithmetic number, because the mean of its divisors is an integer number (1188744660).

Almost surely, 2^11777376045 is an apocalyptic number.

11777376045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11777376045 is a deficient number, since it is larger than the sum of its proper divisors (7242538515).

11777376045 is a wasteful number, since it uses less digits than its factorization.

11777376045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338044.

The product of its (nonzero) digits is 864360, while the sum is 48.

The spelling of 11777376045 in words is "eleven billion, seven hundred seventy-seven million, three hundred seventy-six thousand, forty-five".