13545645561124 has 12 divisors (see below), whose sum is σ = 23705665679500. Its totient is φ = 6772598224128.

The previous prime is 13545645561121. The next prime is 13545645561187. The reversal of 13545645561124 is 42116554654531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11153729678400 + 2391915882724 = 3339720^2 + 1546582^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13545645561121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56003349 + ... + 56244700.

Almost surely, 2^{13545645561124} is an apocalyptic number.

It is an amenable number.

13545645561124 is a deficient number, since it is larger than the sum of its proper divisors (10160020118376).

13545645561124 is a wasteful number, since it uses less digits than its factorization.

13545645561124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112278222 (or 112278220 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 52.

The spelling of 13545645561124 in words is "thirteen trillion, five hundred forty-five billion, six hundred forty-five million, five hundred sixty-one thousand, one hundred twenty-four".