63135251755554 has 256 divisors, whose sum is σ = 150088470220800. Its totient is φ = 17491056844800.

The previous prime is 63135251755529. The next prime is 63135251755577. The reversal of 63135251755554 is 45555715253136.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63135251755494 and 63135251755503.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13615536124 + ... + 13615540760.

It is an arithmetic number, because the mean of its divisors is an integer number (586283086800).

Almost surely, 2^{63135251755554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63135251755554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75044235110400).

63135251755554 is an abundant number, since it is smaller than the sum of its proper divisors (86953218465246).

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

63135251755554 is a wasteful number, since it uses less digits than its factorization.

63135251755554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129.

The product of its digits is 47250000, while the sum is 57.

The spelling of 63135251755554 in words is "sixty-three trillion, one hundred thirty-five billion, two hundred fifty-one million, seven hundred fifty-five thousand, five hundred fifty-four".