1202155115103 has 12 divisors (see below), whose sum is σ = 1747945923568. Its totient is φ = 796129214400.

The previous prime is 1202155115101. The next prime is 1202155115137. The reversal of 1202155115103 is 3015115512021.

It is a happy number.

1202155115103 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 1 + 551 + 1 + 5 + 103 = 666.

It is not a de Polignac number, because 1202155115103 - 2¹ = 1202155115101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202155115101) 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, 442292650 + ... + 442295367.

Almost surely, 2^{1202155115103} is an apocalyptic number.

1202155115103 is a deficient number, since it is larger than the sum of its proper divisors (545790808465).

1202155115103 is a wasteful number, since it uses less digits than its factorization.

1202155115103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884588174 (or 884588171 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The spelling of 1202155115103 in words is "one trillion, two hundred two billion, one hundred fifty-five million, one hundred fifteen thousand, one hundred three".