42152605051 has 4 divisors (see below), whose sum is σ = 44632170072. Its totient is φ = 39673040032.

The previous prime is 42152605009. The next prime is 42152605067. The reversal of 42152605051 is 15050625124.

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

It is a cyclic number.

It is not a de Polignac number, because 42152605051 - 2²⁵ = 42119050619 is a prime.

It is a super-2 number, since 2×42152605051² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42152605081) 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, 1239782485 + ... + 1239782518.

It is an arithmetic number, because the mean of its divisors is an integer number (11158042518).

Almost surely, 2^42152605051 is an apocalyptic number.

42152605051 is a deficient number, since it is larger than the sum of its proper divisors (2479565021).

42152605051 is a wasteful number, since it uses less digits than its factorization.

42152605051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479565020.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 42152605051 in words is "forty-two billion, one hundred fifty-two million, six hundred five thousand, fifty-one".