1575047590081 has 9 divisors (see below), whose sum is σ = 1832208436449. Its totient is φ = 1350033261444.

The previous prime is 1575047590057. The next prime is 1575047590099. The reversal of 1575047590081 is 1800957405751.

The square root of 1575047590081 is 1255009.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1575047590081 - 2⁷ = 1575047589953 is a prime.

It is a super-2 number, since 2×1575047590081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1575047590031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8695420 + ... + 8874706.

It is an arithmetic number, because the mean of its divisors is an integer number (203578715161).

Almost surely, 2^{1575047590081} is an apocalyptic number.

1575047590081 is the 1255009-th square number.

1575047590081 is the 627505-th centered octagonal number.

It is an amenable number.

1575047590081 is a deficient number, since it is larger than the sum of its proper divisors (257160846368).

1575047590081 is an frugal number, since it uses more digits than its factorization.

1575047590081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358588 (or 179294 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 1575047590081 in words is "one trillion, five hundred seventy-five billion, forty-seven million, five hundred ninety thousand, eighty-one".