61022500353480 has 128 divisors (see below), whose sum is σ = 199347551280000. Its totient is φ = 14884617129984.

The previous prime is 61022500353431. The next prime is 61022500353679. The reversal of 61022500353480 is 8435300522016.

It is a happy number.

It is a super-2 number, since 2×61022500353480² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461386545 + ... + 461518784.

It is an arithmetic number, because the mean of its divisors is an integer number (1557402744375).

Almost surely, 2^{61022500353480} is an apocalyptic number.

61022500353480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61022500353480 is an abundant number, since it is smaller than the sum of its proper divisors (138325050926520).

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

61022500353480 is a wasteful number, since it uses less digits than its factorization.

61022500353480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922905391 (or 922905387 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 61022500353480 its reverse (8435300522016), we get a palindrome (69457800875496).

The spelling of 61022500353480 in words is "sixty-one trillion, twenty-two billion, five hundred million, three hundred fifty-three thousand, four hundred eighty".