61534631565452 has 24 divisors (see below), whose sum is σ = 111212482610880. Its totient is φ = 29774347180160.

The previous prime is 61534631565437. The next prime is 61534631565457. The reversal of 61534631565452 is 25456513643516.

It is not an unprimeable number, because it can be changed into a prime (61534631565457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838813999 + ... + 1838847462.

It is an arithmetic number, because the mean of its divisors is an integer number (4633853442120).

Almost surely, 2^{61534631565452} is an apocalyptic number.

It is an amenable number.

61534631565452 is a deficient number, since it is larger than the sum of its proper divisors (49677851045428).

61534631565452 is a wasteful number, since it uses less digits than its factorization.

61534631565452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677661601 (or 3677661599 counting only the distinct ones).

The product of its digits is 38880000, while the sum is 56.

The spelling of 61534631565452 in words is "sixty-one trillion, five hundred thirty-four billion, six hundred thirty-one million, five hundred sixty-five thousand, four hundred fifty-two".