42511333461 has 8 divisors (see below), whose sum is σ = 57021190464. Its totient is φ = 28171182720.

The previous prime is 42511333451. The next prime is 42511333471. The reversal of 42511333461 is 16433311524.

It is an interprime number because it is at equal distance from previous prime (42511333451) and next prime (42511333471).

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

It is not a de Polignac number, because 42511333461 - 2⁵ = 42511333429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42511333411) 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, 42425980 + ... + 42426981.

It is an arithmetic number, because the mean of its divisors is an integer number (7127648808).

Almost surely, 2^42511333461 is an apocalyptic number.

It is an amenable number.

42511333461 is a deficient number, since it is larger than the sum of its proper divisors (14509857003).

42511333461 is a wasteful number, since it uses less digits than its factorization.

42511333461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84853131.

The product of its digits is 25920, while the sum is 33.

Adding to 42511333461 its reverse (16433311524), we get a palindrome (58944644985).

The spelling of 42511333461 in words is "forty-two billion, five hundred eleven million, three hundred thirty-three thousand, four hundred sixty-one".