1115347541 has 16 divisors (see below), whose sum is σ = 1393061760. Its totient is φ = 867540480.

The previous prime is 1115347523. The next prime is 1115347567. The reversal of 1115347541 is 1457435111.

It is a cyclic number.

It is not a de Polignac number, because 1115347541 - 2¹⁰ = 1115346517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1115347498 and 1115347507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115341541) 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, 31085 + ... + 56541.

It is an arithmetic number, because the mean of its divisors is an integer number (87066360).

Almost surely, 2^1115347541 is an apocalyptic number.

1115347541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1115347541 is a deficient number, since it is larger than the sum of its proper divisors (277714219).

1115347541 is a wasteful number, since it uses less digits than its factorization.

1115347541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26044.

The product of its digits is 8400, while the sum is 32.

The square root of 1115347541 is about 33396.8193246004. The cubic root of 1115347541 is about 1037.0588564555.

The spelling of 1115347541 in words is "one billion, one hundred fifteen million, three hundred forty-seven thousand, five hundred forty-one".