61481107353 has 32 divisors (see below), whose sum is σ = 84581683200. Its totient is φ = 39707813376.

The previous prime is 61481107343. The next prime is 61481107357. The reversal of 61481107353 is 35370118416.

It is not a de Polignac number, because 61481107353 - 2⁵ = 61481107321 is a prime.

It is a super-2 number, since 2×61481107353² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61481107357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4095900 + ... + 4110882.

It is an arithmetic number, because the mean of its divisors is an integer number (2643177600).

Almost surely, 2^61481107353 is an apocalyptic number.

It is an amenable number.

61481107353 is a deficient number, since it is larger than the sum of its proper divisors (23100575847).

61481107353 is a wasteful number, since it uses less digits than its factorization.

61481107353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15381.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 61481107353 in words is "sixty-one billion, four hundred eighty-one million, one hundred seven thousand, three hundred fifty-three".