870440181151 has 4 divisors (see below), whose sum is σ = 898518896704. Its totient is φ = 842361465600.

The previous prime is 870440181119. The next prime is 870440181179. The reversal of 870440181151 is 151181044078.

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 870440181151 - 2⁵ = 870440181119 is a prime.

It is a super-2 number, since 2×870440181151² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870440185151) 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, 14039357730 + ... + 14039357791.

It is an arithmetic number, because the mean of its divisors is an integer number (224629724176).

Almost surely, 2^870440181151 is an apocalyptic number.

870440181151 is a deficient number, since it is larger than the sum of its proper divisors (28078715553).

870440181151 is a wasteful number, since it uses less digits than its factorization.

870440181151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28078715552.

The product of its (nonzero) digits is 35840, while the sum is 40.

The spelling of 870440181151 in words is "eight hundred seventy billion, four hundred forty million, one hundred eighty-one thousand, one hundred fifty-one".