61603459031757 has 8 divisors (see below), whose sum is σ = 86969589221376. Its totient is φ = 38653150764992.

The previous prime is 61603459031749. The next prime is 61603459031809. The reversal of 61603459031757 is 75713095430616.

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 61603459031757 - 2³ = 61603459031749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61603459031697 and 61603459031706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61603459031707) 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, 603955480653 + ... + 603955480754.

It is an arithmetic number, because the mean of its divisors is an integer number (10871198652672).

Almost surely, 2^{61603459031757} is an apocalyptic number.

It is an amenable number.

61603459031757 is a deficient number, since it is larger than the sum of its proper divisors (25366130189619).

61603459031757 is a wasteful number, since it uses less digits than its factorization.

61603459031757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207910961427.

The product of its (nonzero) digits is 14288400, while the sum is 57.

The spelling of 61603459031757 in words is "sixty-one trillion, six hundred three billion, four hundred fifty-nine million, thirty-one thousand, seven hundred fifty-seven".