3157272571645 has 8 divisors (see below), whose sum is σ = 3809893160160. Its totient is φ = 2511707341200.

The previous prime is 3157272571639. The next prime is 3157272571667. The reversal of 3157272571645 is 5461752727513.

It is a happy number.

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

It is not a de Polignac number, because 3157272571645 - 2³ = 3157272571637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763838531 + ... + 1763840320.

It is an arithmetic number, because the mean of its divisors is an integer number (476236645020).

Almost surely, 2^{3157272571645} is an apocalyptic number.

It is an amenable number.

3157272571645 is a deficient number, since it is larger than the sum of its proper divisors (652620588515).

3157272571645 is a wasteful number, since it uses less digits than its factorization.

3157272571645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527679035.

The product of its digits is 12348000, while the sum is 55.

The spelling of 3157272571645 in words is "three trillion, one hundred fifty-seven billion, two hundred seventy-two million, five hundred seventy-one thousand, six hundred forty-five".