61461501013 has 16 divisors (see below), whose sum is σ = 69542881920. Its totient is φ = 53825688000.

The previous prime is 61461500981. The next prime is 61461501091. The reversal of 61461501013 is 31010516416.

It is a cyclic number.

It is not a de Polignac number, because 61461501013 - 2⁵ = 61461500981 is a prime.

It is a super-2 number, since 2×61461501013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61461501113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706473 + ... + 788686.

It is an arithmetic number, because the mean of its divisors is an integer number (4346430120).

Almost surely, 2^61461501013 is an apocalyptic number.

It is an amenable number.

61461501013 is a deficient number, since it is larger than the sum of its proper divisors (8081380907).

61461501013 is a wasteful number, since it uses less digits than its factorization.

61461501013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495308.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 61461501013 in words is "sixty-one billion, four hundred sixty-one million, five hundred one thousand, thirteen".