2157361504546 has 8 divisors (see below), whose sum is σ = 3244491454464. Its totient is φ = 1075864353060.

The previous prime is 2157361504499. The next prime is 2157361504679. The reversal of 2157361504546 is 6454051637512.

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

It is a super-2 number, since 2×2157361504546² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2157361504546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408198650 + ... + 1408200181.

It is an arithmetic number, because the mean of its divisors is an integer number (405561431808).

Almost surely, 2^{2157361504546} is an apocalyptic number.

2157361504546 is a deficient number, since it is larger than the sum of its proper divisors (1087129949918).

2157361504546 is a wasteful number, since it uses less digits than its factorization.

2157361504546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816399216.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 2157361504546 in words is "two trillion, one hundred fifty-seven billion, three hundred sixty-one million, five hundred four thousand, five hundred forty-six".