1203924386155 has 8 divisors (see below), whose sum is σ = 1445010336000. Its totient is φ = 962938793856.

The previous prime is 1203924386131. The next prime is 1203924386209. The reversal of 1203924386155 is 5516834293021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203924386155 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203924386099 and 1203924386108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25062990 + ... + 25110979.

It is an arithmetic number, because the mean of its divisors is an integer number (180626292000).

Almost surely, 2^{1203924386155} is an apocalyptic number.

1203924386155 is a deficient number, since it is larger than the sum of its proper divisors (241085949845).

1203924386155 is an equidigital number, since it uses as much as digits as its factorization.

1203924386155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50178773.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 1203924386155 in words is "one trillion, two hundred three billion, nine hundred twenty-four million, three hundred eighty-six thousand, one hundred fifty-five".