42500000001 has 8 divisors (see below), whose sum is σ = 59130434880. Its totient is φ = 27101449232.

The previous prime is 42499999991. The next prime is 42500000003. The reversal of 42500000001 is 10000000524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42500000001 - 2¹⁸ = 42499737857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42500000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307970946 + ... + 307971083.

It is an arithmetic number, because the mean of its divisors is an integer number (7391304360).

Almost surely, 2^42500000001 is an apocalyptic number.

It is an amenable number.

42500000001 is a deficient number, since it is larger than the sum of its proper divisors (16630434879).

42500000001 is a wasteful number, since it uses less digits than its factorization.

42500000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615942055.

The product of its (nonzero) digits is 40, while the sum is 12.

Adding to 42500000001 its reverse (10000000524), we get a palindrome (52500000525).

The spelling of 42500000001 in words is "forty-two billion, five hundred million, one", and thus it is an aban number.