11382556031 has 12 divisors (see below), whose sum is σ = 14298749136. Its totient is φ = 8869523520.

The previous prime is 11382556027. The next prime is 11382556039. The reversal of 11382556031 is 13065528311.

It is not a de Polignac number, because 11382556031 - 2² = 11382556027 is a prime.

It is a super-3 number, since 3×11382556031³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11382555982 and 11382556000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11382556039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6718490 + ... + 6720183.

It is an arithmetic number, because the mean of its divisors is an integer number (1191562428).

Almost surely, 2^11382556031 is an apocalyptic number.

11382556031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11382556031 is a deficient number, since it is larger than the sum of its proper divisors (2916193105).

11382556031 is a wasteful number, since it uses less digits than its factorization.

11382556031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13438702 (or 13438691 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 11382556031 in words is "eleven billion, three hundred eighty-two million, five hundred fifty-six thousand, thirty-one".