1577452720255 has 8 divisors (see below), whose sum is σ = 1893266272224. Its totient is φ = 1261746837600.

The previous prime is 1577452720241. The next prime is 1577452720303. The reversal of 1577452720255 is 5520272547751.

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

It is not a de Polignac number, because 1577452720255 - 2¹⁹ = 1577452195967 is a prime.

It is a Duffinian number.

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, 26885091 + ... + 26943700.

It is an arithmetic number, because the mean of its divisors is an integer number (236658284028).

Almost surely, 2^{1577452720255} is an apocalyptic number.

1577452720255 is a deficient number, since it is larger than the sum of its proper divisors (315813551969).

1577452720255 is an equidigital number, since it uses as much as digits as its factorization.

1577452720255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53834657.

The product of its (nonzero) digits is 6860000, while the sum is 52.

The spelling of 1577452720255 in words is "one trillion, five hundred seventy-seven billion, four hundred fifty-two million, seven hundred twenty thousand, two hundred fifty-five".