253545161545352 has 8 divisors (see below), whose sum is σ = 475397177897550. Its totient is φ = 126772580772672.

The previous prime is 253545161545321. The next prime is 253545161545363.

253545161545352 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 195407799999556 + 58137361545796 = 13978834^2 + 7624786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15846572596577 + ... + 15846572596592.

Almost surely, 2^{253545161545352} is an apocalyptic number.

It is an amenable number.

253545161545352 is a deficient number, since it is larger than the sum of its proper divisors (221852016352198).

253545161545352 is a wasteful number, since it uses less digits than its factorization.

253545161545352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31693145193175 (or 31693145193171 counting only the distinct ones).

The product of its digits is 54000000, while the sum is 56.

The spelling of 253545161545352 in words is "two hundred fifty-three trillion, five hundred forty-five billion, one hundred sixty-one million, five hundred forty-five thousand, three hundred fifty-two".