42015115053970 has 8 divisors (see below), whose sum is σ = 75627207097164. Its totient is φ = 16806046021584.

The previous prime is 42015115053911. The next prime is 42015115053971. The reversal of 42015115053970 is 7935051151024.

It can be written as a sum of positive squares in 2 ways, for example, as 40731111060649 + 1284003993321 = 6382093^2 + 1133139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42015115053971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100755752689 + ... + 2100755752708.

Almost surely, 2^{42015115053970} is an apocalyptic number.

42015115053970 is a deficient number, since it is larger than the sum of its proper divisors (33612092043194).

42015115053970 is a wasteful number, since it uses less digits than its factorization.

42015115053970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201511505404.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 42015115053970 in words is "forty-two trillion, fifteen billion, one hundred fifteen million, fifty-three thousand, nine hundred seventy".