11345251305 has 32 divisors (see below), whose sum is σ = 18492364800. Its totient is φ = 5937839552.

The previous prime is 11345251289. The next prime is 11345251339. The reversal of 11345251305 is 50315254311.

It is a cyclic number.

It is not a de Polignac number, because 11345251305 - 2⁴ = 11345251289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508576 + ... + 530414.

It is an arithmetic number, because the mean of its divisors is an integer number (577886400).

Almost surely, 2^11345251305 is an apocalyptic number.

11345251305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11345251305 is a deficient number, since it is larger than the sum of its proper divisors (7147113495).

11345251305 is a wasteful number, since it uses less digits than its factorization.

11345251305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22493.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 11345251305 in words is "eleven billion, three hundred forty-five million, two hundred fifty-one thousand, three hundred five".