61452115226 has 12 divisors (see below), whose sum is σ = 97284997962. Its totient is φ = 29108896344.

The previous prime is 61452115177. The next prime is 61452115229. The reversal of 61452115226 is 62251125416.

It can be written as a sum of positive squares in only one way, i.e., 36672633001 + 24779482225 = 191501^2 + 157415^2 .

It is not an unprimeable number, because it can be changed into a prime (61452115229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42556145 + ... + 42557588.

Almost surely, 2^61452115226 is an apocalyptic number.

61452115226 is a deficient number, since it is larger than the sum of its proper divisors (35832882736).

61452115226 is a wasteful number, since it uses less digits than its factorization.

61452115226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85113773 (or 85113754 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The spelling of 61452115226 in words is "sixty-one billion, four hundred fifty-two million, one hundred fifteen thousand, two hundred twenty-six".