11347443515 has 16 divisors (see below), whose sum is σ = 14399030016. Its totient is φ = 8570841600.

The previous prime is 11347443487. The next prime is 11347443539. The reversal of 11347443515 is 51534474311.

It is not a de Polignac number, because 11347443515 - 2¹² = 11347439419 is a prime.

It is a super-2 number, since 2×11347443515² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886442 + ... + 899151.

It is an arithmetic number, because the mean of its divisors is an integer number (899939376).

Almost surely, 2^11347443515 is an apocalyptic number.

11347443515 is a deficient number, since it is larger than the sum of its proper divisors (3051586501).

11347443515 is a wasteful number, since it uses less digits than its factorization.

11347443515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785670.

The product of its digits is 100800, while the sum is 38.

The spelling of 11347443515 in words is "eleven billion, three hundred forty-seven million, four hundred forty-three thousand, five hundred fifteen".