151749787871 has 4 divisors (see below), whose sum is σ = 165545223144. Its totient is φ = 137954352600.

The previous prime is 151749787859. The next prime is 151749787897. The reversal of 151749787871 is 178787947151.

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 151749787871 - 2⁶ = 151749787807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151749787798 and 151749787807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151749787801) 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, 6897717620 + ... + 6897717641.

It is an arithmetic number, because the mean of its divisors is an integer number (41386305786).

Almost surely, 2^151749787871 is an apocalyptic number.

151749787871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151749787871 is a deficient number, since it is larger than the sum of its proper divisors (13795435273).

151749787871 is a wasteful number, since it uses less digits than its factorization.

151749787871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13795435272.

The product of its digits is 27659520, while the sum is 65.

The spelling of 151749787871 in words is "one hundred fifty-one billion, seven hundred forty-nine million, seven hundred eighty-seven thousand, eight hundred seventy-one".