11732903973 has 32 divisors (see below), whose sum is σ = 19891180800. Its totient is φ = 6695759808.

The previous prime is 11732903953. The next prime is 11732904041. The reversal of 11732903973 is 37930923711.

It is a happy number.

11732903973 is a `hidden beast` number, since 1 + 173 + 2 + 90 + 397 + 3 = 666.

It is not a de Polignac number, because 11732903973 - 2¹⁰ = 11732902949 is a prime.

It is a super-2 number, since 2×11732903973² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11732903953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105943 + ... + 186251.

It is an arithmetic number, because the mean of its divisors is an integer number (621599400).

Almost surely, 2^11732903973 is an apocalyptic number.

It is an amenable number.

11732903973 is a deficient number, since it is larger than the sum of its proper divisors (8158276827).

11732903973 is an equidigital number, since it uses as much as digits as its factorization.

11732903973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81098 (or 81092 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 45.

The spelling of 11732903973 in words is "eleven billion, seven hundred thirty-two million, nine hundred three thousand, nine hundred seventy-three".