11147145031 has 8 divisors (see below), whose sum is σ = 12162528000. Its totient is φ = 10132096440.

The previous prime is 11147144989. The next prime is 11147145083. The reversal of 11147145031 is 13054174111.

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 11147145031 - 2¹³ = 11147136839 is a prime.

It is a super-2 number, since 2×11147145031² (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 (11147145731) 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, 11151 + ... + 149728.

It is an arithmetic number, because the mean of its divisors is an integer number (1520316000).

Almost surely, 2^11147145031 is an apocalyptic number.

11147145031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11147145031 is a deficient number, since it is larger than the sum of its proper divisors (1015382969).

11147145031 is a wasteful number, since it uses less digits than its factorization.

11147145031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167189.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 11147145031 in words is "eleven billion, one hundred forty-seven million, one hundred forty-five thousand, thirty-one".