11374477381 has 8 divisors (see below), whose sum is σ = 11469838464. Its totient is φ = 11279441040.

The previous prime is 11374477369. The next prime is 11374477391. The reversal of 11374477381 is 18377447311.

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

It is a cyclic number.

It is not a de Polignac number, because 11374477381 - 2⁷ = 11374477253 is a prime.

It is a super-2 number, since 2×11374477381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11374477391) 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, 10585 + ... + 151198.

It is an arithmetic number, because the mean of its divisors is an integer number (1433729808).

Almost surely, 2^11374477381 is an apocalyptic number.

It is an amenable number.

11374477381 is a deficient number, since it is larger than the sum of its proper divisors (95361083).

11374477381 is a wasteful number, since it uses less digits than its factorization.

11374477381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162371.

The product of its digits is 395136, while the sum is 46.

The spelling of 11374477381 in words is "eleven billion, three hundred seventy-four million, four hundred seventy-seven thousand, three hundred eighty-one".