42961401711872 has 144 divisors (see below), whose sum is σ = 104227445562240. Its totient is φ = 17263149318144.

The previous prime is 42961401711871. The next prime is 42961401711923. The reversal of 42961401711872 is 27811710416924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42961401711871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3201413 + ... + 9806724.

Almost surely, 2^{42961401711872} is an apocalyptic number.

It is an amenable number.

42961401711872 is an abundant number, since it is smaller than the sum of its proper divisors (61266043850368).

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

42961401711872 is a wasteful number, since it uses less digits than its factorization.

42961401711872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13008276 (or 13008262 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 42961401711872 in words is "forty-two trillion, nine hundred sixty-one billion, four hundred one million, seven hundred eleven thousand, eight hundred seventy-two".