12155358103 has 8 divisors (see below), whose sum is σ = 13899246080. Its totient is φ = 10413322200.

The previous prime is 12155358101. The next prime is 12155358119. The reversal of 12155358103 is 30185355121.

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 12155358103 - 2¹ = 12155358101 is a prime.

It is a super-2 number, since 2×12155358103² (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 (12155358101) 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, 448923 + ... + 475228.

It is an arithmetic number, because the mean of its divisors is an integer number (1737405760).

Almost surely, 2^12155358103 is an apocalyptic number.

12155358103 is a deficient number, since it is larger than the sum of its proper divisors (1743887977).

12155358103 is an equidigital number, since it uses as much as digits as its factorization.

12155358103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926037.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 12155358103 in words is "twelve billion, one hundred fifty-five million, three hundred fifty-eight thousand, one hundred three".