11245501155203 has 4 divisors (see below), whose sum is σ = 12852001320240. Its totient is φ = 9639000990168.

The previous prime is 11245501155199. The next prime is 11245501155227. The reversal of 11245501155203 is 30255110554211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11245501155203 - 2² = 11245501155199 is a prime.

It is a super-2 number, since 2×11245501155203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11245501155253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803250082508 + ... + 803250082521.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000330060).

Almost surely, 2^{11245501155203} is an apocalyptic number.

11245501155203 is a deficient number, since it is larger than the sum of its proper divisors (1606500165037).

11245501155203 is an equidigital number, since it uses as much as digits as its factorization.

11245501155203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606500165036.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 11245501155203 in words is "eleven trillion, two hundred forty-five billion, five hundred one million, one hundred fifty-five thousand, two hundred three".