85151742043 has 4 divisors (see below), whose sum is σ = 88088009040. Its totient is φ = 82215475048.

The previous prime is 85151742001. The next prime is 85151742061. The reversal of 85151742043 is 34024715158.

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 85151742043 - 2⁹ = 85151741531 is a prime.

It is a super-2 number, since 2×85151742043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85151741987 and 85151742005.

It is not an unprimeable number, because it can be changed into a prime (85151742073) 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, 1468133455 + ... + 1468133512.

It is an arithmetic number, because the mean of its divisors is an integer number (22022002260).

Almost surely, 2^85151742043 is an apocalyptic number.

85151742043 is a deficient number, since it is larger than the sum of its proper divisors (2936266997).

85151742043 is a wasteful number, since it uses less digits than its factorization.

85151742043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936266996.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 85151742043 in words is "eighty-five billion, one hundred fifty-one million, seven hundred forty-two thousand, forty-three".