11245001253520 has 80 divisors (see below), whose sum is σ = 26989224579072. Its totient is φ = 4352706685440.

The previous prime is 11245001253511. The next prime is 11245001253523. The reversal of 11245001253520 is 2535210054211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (11245001253523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62363814 + ... + 62543866.

Almost surely, 2^{11245001253520} is an apocalyptic number.

11245001253520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11245001253520 is an abundant number, since it is smaller than the sum of its proper divisors (15744223325552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11245001253520 is a wasteful number, since it uses less digits than its factorization.

11245001253520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205280 (or 205274 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 11245001253520 in words is "eleven trillion, two hundred forty-five billion, one million, two hundred fifty-three thousand, five hundred twenty".