11312003129 has 8 divisors (see below), whose sum is σ = 13490090880. Its totient is φ = 9274437216.

The previous prime is 11312003069. The next prime is 11312003147. The reversal of 11312003129 is 92130021311.

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 11312003129 - 2¹² = 11311999033 is a prime.

It is a super-2 number, since 2×11312003129² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (11312003149) 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, 35130284 + ... + 35130605.

It is an arithmetic number, because the mean of its divisors is an integer number (1686261360).

Almost surely, 2^11312003129 is an apocalyptic number.

It is an amenable number.

11312003129 is a deficient number, since it is larger than the sum of its proper divisors (2178087751).

11312003129 is an equidigital number, since it uses as much as digits as its factorization.

11312003129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70260919.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 11312003129 in words is "eleven billion, three hundred twelve million, three thousand, one hundred twenty-nine".