42565111500 has 48 divisors (see below), whose sum is σ = 123949609056. Its totient is φ = 11350696000.

The previous prime is 42565111451. The next prime is 42565111531. The reversal of 42565111500 is 511156524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14186871 + ... + 14189870.

It is an arithmetic number, because the mean of its divisors is an integer number (2582283522).

Almost surely, 2^42565111500 is an apocalyptic number.

It is an amenable number.

42565111500 is an abundant number, since it is smaller than the sum of its proper divisors (81384497556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42565111500 is a wasteful number, since it uses less digits than its factorization.

42565111500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28376763 (or 28376751 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 42565111500 in words is "forty-two billion, five hundred sixty-five million, one hundred eleven thousand, five hundred".