1115606542 has 4 divisors (see below), whose sum is σ = 1673409816. Its totient is φ = 557803270.

The previous prime is 1115606533. The next prime is 1115606543. The reversal of 1115606542 is 2456065111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115606543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278901634 + ... + 278901637.

It is an arithmetic number, because the mean of its divisors is an integer number (418352454).

Almost surely, 2^1115606542 is an apocalyptic number.

1115606542 is a deficient number, since it is larger than the sum of its proper divisors (557803274).

1115606542 is an equidigital number, since it uses as much as digits as its factorization.

1115606542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557803273.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1115606542 is about 33400.6967292600. The cubic root of 1115606542 is about 1037.1391239604.

The spelling of 1115606542 in words is "one billion, one hundred fifteen million, six hundred six thousand, five hundred forty-two".