61541353000631 has 8 divisors (see below), whose sum is σ = 70508368813344. Its totient is φ = 52618185676800.

The previous prime is 61541353000597. The next prime is 61541353000637. The reversal of 61541353000631 is 13600035314516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61541353000631 - 2¹⁴ = 61541352984247 is a prime.

It is a super-2 number, since 2×61541353000631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61541353000637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10962119210 + ... + 10962124823.

It is an arithmetic number, because the mean of its divisors is an integer number (8813546101668).

Almost surely, 2^{61541353000631} is an apocalyptic number.

61541353000631 is a deficient number, since it is larger than the sum of its proper divisors (8967015812713).

61541353000631 is a wasteful number, since it uses less digits than its factorization.

61541353000631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21924244441.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 61541353000631 in words is "sixty-one trillion, five hundred forty-one billion, three hundred fifty-three million, six hundred thirty-one", and thus it is an aban number.