63120551425240 has 32 divisors (see below), whose sum is σ = 142022340828000. Its totient is φ = 25248024993024.

The previous prime is 63120551425213. The next prime is 63120551425313. The reversal of 63120551425240 is 4252415502136.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 63120551425193 and 63120551425202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826980 + ... + 11266099.

It is an arithmetic number, because the mean of its divisors is an integer number (4438198150875).

Almost surely, 2^{63120551425240} is an apocalyptic number.

It is an amenable number.

63120551425240 is an abundant number, since it is smaller than the sum of its proper divisors (78901789402760).

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

63120551425240 is a wasteful number, since it uses less digits than its factorization.

63120551425240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223579 (or 12223575 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 63120551425240 its reverse (4252415502136), we get a palindrome (67372966927376).

The spelling of 63120551425240 in words is "sixty-three trillion, one hundred twenty billion, five hundred fifty-one million, four hundred twenty-five thousand, two hundred forty".