42156652111 has 24 divisors (see below), whose sum is σ = 50809900320. Its totient is φ = 34833580992.

The previous prime is 42156652103. The next prime is 42156652141. The reversal of 42156652111 is 11125665124.

It is not a de Polignac number, because 42156652111 - 2³ = 42156652103 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 (42156652141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896461 + ... + 942313.

It is an arithmetic number, because the mean of its divisors is an integer number (2117079180).

Almost surely, 2^42156652111 is an apocalyptic number.

42156652111 is a deficient number, since it is larger than the sum of its proper divisors (8653248209).

42156652111 is a wasteful number, since it uses less digits than its factorization.

42156652111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46543 (or 46536 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The spelling of 42156652111 in words is "forty-two billion, one hundred fifty-six million, six hundred fifty-two thousand, one hundred eleven".