42127502001 has 32 divisors (see below), whose sum is σ = 64859880960. Its totient is φ = 24090753024.

The previous prime is 42127501981. The next prime is 42127502017. The reversal of 42127502001 is 10020572124.

It is not a de Polignac number, because 42127502001 - 2⁷ = 42127501873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42127502041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349780 + ... + 454533.

It is an arithmetic number, because the mean of its divisors is an integer number (2026871280).

Almost surely, 2^42127502001 is an apocalyptic number.

It is an amenable number.

42127502001 is a deficient number, since it is larger than the sum of its proper divisors (22732378959).

42127502001 is a wasteful number, since it uses less digits than its factorization.

42127502001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804425.

The product of its (nonzero) digits is 1120, while the sum is 24.

The spelling of 42127502001 in words is "forty-two billion, one hundred twenty-seven million, five hundred two thousand, one".