61452505726 has 32 divisors (see below), whose sum is σ = 99175726080. Its totient is φ = 28453282176.

The previous prime is 61452505703. The next prime is 61452505729. The reversal of 61452505726 is 62750525416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61452505729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950285 + ... + 1981543.

It is an arithmetic number, because the mean of its divisors is an integer number (3099241440).

Almost surely, 2^61452505726 is an apocalyptic number.

61452505726 is a deficient number, since it is larger than the sum of its proper divisors (37723220354).

61452505726 is a wasteful number, since it uses less digits than its factorization.

61452505726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32208.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 61452505726 in words is "sixty-one billion, four hundred fifty-two million, five hundred five thousand, seven hundred twenty-six".