61380521335 has 32 divisors (see below), whose sum is σ = 85722624000. Its totient is φ = 41322664320.

The previous prime is 61380521311. The next prime is 61380521347. The reversal of 61380521335 is 53312508316.

It is not a de Polignac number, because 61380521335 - 2⁵ = 61380521303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61380521294 and 61380521303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542241 + ... + 645589.

It is an arithmetic number, because the mean of its divisors is an integer number (2678832000).

Almost surely, 2^61380521335 is an apocalyptic number.

61380521335 is a deficient number, since it is larger than the sum of its proper divisors (24342102665).

61380521335 is a wasteful number, since it uses less digits than its factorization.

61380521335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103671.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 61380521335 in words is "sixty-one billion, three hundred eighty million, five hundred twenty-one thousand, three hundred thirty-five".