642837155151 has 8 divisors (see below), whose sum is σ = 907534807344. Its totient is φ = 403348803200.

The previous prime is 642837155143. The next prime is 642837155183. The reversal of 642837155151 is 151551738246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 642837155151 - 2³ = 642837155143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 642837155151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642837155251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6302325000 + ... + 6302325101.

It is an arithmetic number, because the mean of its divisors is an integer number (113441850918).

Almost surely, 2^642837155151 is an apocalyptic number.

642837155151 is a deficient number, since it is larger than the sum of its proper divisors (264697652193).

642837155151 is a wasteful number, since it uses less digits than its factorization.

642837155151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604650121.

The product of its digits is 1008000, while the sum is 48.

The spelling of 642837155151 in words is "six hundred forty-two billion, eight hundred thirty-seven million, one hundred fifty-five thousand, one hundred fifty-one".