1577557111343 has 8 divisors (see below), whose sum is σ = 1583919516816. Its totient is φ = 1571195320000.

The previous prime is 1577557111337. The next prime is 1577557111391. The reversal of 1577557111343 is 3431117557751.

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 1577557111343 - 2¹⁴ = 1577557094959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1577557111291 and 1577557111300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1577557111393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5397953 + ... + 5682693.

It is an arithmetic number, because the mean of its divisors is an integer number (197989939602).

Almost surely, 2^{1577557111343} is an apocalyptic number.

1577557111343 is a deficient number, since it is larger than the sum of its proper divisors (6362405473).

1577557111343 is a wasteful number, since it uses less digits than its factorization.

1577557111343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307065.

The product of its digits is 1543500, while the sum is 50.

The spelling of 1577557111343 in words is "one trillion, five hundred seventy-seven billion, five hundred fifty-seven million, one hundred eleven thousand, three hundred forty-three".