13155452033540 has 48 divisors (see below), whose sum is σ = 29307465194112. Its totient is φ = 4943171022336.

The previous prime is 13155452033497. The next prime is 13155452033561. The reversal of 13155452033540 is 4533025455131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36813104 + ... + 37168743.

It is an arithmetic number, because the mean of its divisors is an integer number (610572191544).

Almost surely, 2^{13155452033540} is an apocalyptic number.

13155452033540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13155452033540 is an abundant number, since it is smaller than the sum of its proper divisors (16152013160572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13155452033540 is a wasteful number, since it uses less digits than its factorization.

13155452033540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73982396 (or 73982394 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 13155452033540 its reverse (4533025455131), we get a palindrome (17688477488671).

The spelling of 13155452033540 in words is "thirteen trillion, one hundred fifty-five billion, four hundred fifty-two million, thirty-three thousand, five hundred forty".