11005177983 has 8 divisors (see below), whose sum is σ = 14681948208. Its totient is φ = 7332596544.

The previous prime is 11005177973. The next prime is 11005178027. The reversal of 11005177983 is 38977150011.

It is a happy number.

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

It is not a de Polignac number, because 11005177983 - 2¹⁸ = 11004915839 is a prime.

It is a super-2 number, since 2×11005177983² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005177903) 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, 1041060 + ... + 1051577.

It is an arithmetic number, because the mean of its divisors is an integer number (1835243526).

Almost surely, 2^11005177983 is an apocalyptic number.

11005177983 is a deficient number, since it is larger than the sum of its proper divisors (3676770225).

11005177983 is a wasteful number, since it uses less digits than its factorization.

11005177983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094393.

The product of its (nonzero) digits is 52920, while the sum is 42.

The spelling of 11005177983 in words is "eleven billion, five million, one hundred seventy-seven thousand, nine hundred eighty-three".