1577960426425 has 6 divisors (see below), whose sum is σ = 1956670928798. Its totient is φ = 1262368341120.

The previous prime is 1577960426417. The next prime is 1577960426431. The reversal of 1577960426425 is 5246240697751.

It can be written as a sum of positive squares in 3 ways, for example, as 157828220176 + 1420132206249 = 397276^2 + 1191693^2 .

It is not a de Polignac number, because 1577960426425 - 2³ = 1577960426417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1577960426425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31559208504 + ... + 31559208553.

Almost surely, 2^{1577960426425} is an apocalyptic number.

It is an amenable number.

1577960426425 is a deficient number, since it is larger than the sum of its proper divisors (378710502373).

1577960426425 is an equidigital number, since it uses as much as digits as its factorization.

1577960426425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63118417067 (or 63118417062 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 1577960426425 in words is "one trillion, five hundred seventy-seven billion, nine hundred sixty million, four hundred twenty-six thousand, four hundred twenty-five".