42787451124037 has 4 divisors (see below), whose sum is σ = 42797694712396. Its totient is φ = 42777207535680.

The previous prime is 42787451124001. The next prime is 42787451124049. The reversal of 42787451124037 is 73042115478724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32351876512641 + 10435574611396 = 5687871^2 + 3230414^2 .

It is a cyclic number.

It is not a de Polignac number, because 42787451124037 - 2¹⁵ = 42787451091269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42787451124437) 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, 5121787914 + ... + 5121796267.

It is an arithmetic number, because the mean of its divisors is an integer number (10699423678099).

Almost surely, 2^{42787451124037} is an apocalyptic number.

It is an amenable number.

42787451124037 is a deficient number, since it is larger than the sum of its proper divisors (10243588359).

42787451124037 is a wasteful number, since it uses less digits than its factorization.

42787451124037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243588358.

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 42787451124037 in words is "forty-two trillion, seven hundred eighty-seven billion, four hundred fifty-one million, one hundred twenty-four thousand, thirty-seven".