13545557624078 has 8 divisors (see below), whose sum is σ = 20662715019960. Its totient is φ = 6657985950760.

The previous prime is 13545557624077. The next prime is 13545557624107. The reversal of 13545557624078 is 87042675554531.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13545557624078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545557624077) 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, 57396430493 + ... + 57396430728.

It is an arithmetic number, because the mean of its divisors is an integer number (2582839377495).

Almost surely, 2^{13545557624078} is an apocalyptic number.

13545557624078 is a deficient number, since it is larger than the sum of its proper divisors (7117157395882).

13545557624078 is a wasteful number, since it uses less digits than its factorization.

13545557624078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114792861282.

The product of its (nonzero) digits is 141120000, while the sum is 62.

The spelling of 13545557624078 in words is "thirteen trillion, five hundred forty-five billion, five hundred fifty-seven million, six hundred twenty-four thousand, seventy-eight".