42115241537 has 2 divisors, whose sum is σ = 42115241538. Its totient is φ = 42115241536.

The previous prime is 42115241507. The next prime is 42115241579. The reversal of 42115241537 is 73514251124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28720419841 + 13394821696 = 169471^2 + 115736^2 .

It is a cyclic number.

It is not a de Polignac number, because 42115241537 - 2¹⁶ = 42115176001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42115241497 and 42115241506.

It is not a weakly prime, because it can be changed into another prime (42115241507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21057620768 + 21057620769.

It is an arithmetic number, because the mean of its divisors is an integer number (21057620769).

Almost surely, 2^42115241537 is an apocalyptic number.

It is an amenable number.

42115241537 is a deficient number, since it is larger than the sum of its proper divisors (1).

42115241537 is an equidigital number, since it uses as much as digits as its factorization.

42115241537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The spelling of 42115241537 in words is "forty-two billion, one hundred fifteen million, two hundred forty-one thousand, five hundred thirty-seven".