1577504653252 has 12 divisors (see below), whose sum is σ = 3011599792656. Its totient is φ = 717047569640.

The previous prime is 1577504653217. The next prime is 1577504653327. The reversal of 1577504653252 is 2523564057751.

It is a self number, because there is not a number n which added to its sum of digits gives 1577504653252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17926189198 + ... + 17926189285.

It is an arithmetic number, because the mean of its divisors is an integer number (250966649388).

Almost surely, 2^{1577504653252} is an apocalyptic number.

It is an amenable number.

1577504653252 is a deficient number, since it is larger than the sum of its proper divisors (1434095139404).

1577504653252 is a wasteful number, since it uses less digits than its factorization.

1577504653252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35852378498 (or 35852378496 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 1577504653252 in words is "one trillion, five hundred seventy-seven billion, five hundred four million, six hundred fifty-three thousand, two hundred fifty-two".