61411455542500 has 60 divisors (see below), whose sum is σ = 153479509735552. Its totient is φ = 21055356180000.

The previous prime is 61411455542453. The next prime is 61411455542527. The reversal of 61411455542500 is 524555411416.

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 19 ways as a sum of consecutive naturals, for example, 1754595516 + ... + 1754630515.

Almost surely, 2^{61411455542500} is an apocalyptic number.

It is an amenable number.

61411455542500 is an abundant number, since it is smaller than the sum of its proper divisors (92068054193052).

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

61411455542500 is a wasteful number, since it uses less digits than its factorization.

61411455542500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509226062 (or 3509226045 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 61411455542500 in words is "sixty-one trillion, four hundred eleven billion, four hundred fifty-five million, five hundred forty-two thousand, five hundred".