242510545111 has 4 divisors (see below), whose sum is σ = 256775871312. Its totient is φ = 228245218912.

The previous prime is 242510545097. The next prime is 242510545133. The reversal of 242510545111 is 111545015242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242510545111 is a prime.

It is a super-2 number, since 2×242510545111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242510545171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7132663075 + ... + 7132663108.

It is an arithmetic number, because the mean of its divisors is an integer number (64193967828).

Almost surely, 2^242510545111 is an apocalyptic number.

242510545111 is a deficient number, since it is larger than the sum of its proper divisors (14265326201).

242510545111 is a wasteful number, since it uses less digits than its factorization.

242510545111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14265326200.

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 242510545111 in words is "two hundred forty-two billion, five hundred ten million, five hundred forty-five thousand, one hundred eleven".