61541565301355 has 8 divisors (see below), whose sum is σ = 74739635932752. Its totient is φ = 48640080527008.

The previous prime is 61541565301291. The next prime is 61541565301397. The reversal of 61541565301355 is 55310356514516.

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 61541565301355 - 2⁶ = 61541565301291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74146463804 + ... + 74146464633.

It is an arithmetic number, because the mean of its divisors is an integer number (9342454491594).

Almost surely, 2^{61541565301355} is an apocalyptic number.

61541565301355 is a deficient number, since it is larger than the sum of its proper divisors (13198070631397).

61541565301355 is a wasteful number, since it uses less digits than its factorization.

61541565301355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148292928525.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 61541565301355 in words is "sixty-one trillion, five hundred forty-one billion, five hundred sixty-five million, three hundred one thousand, three hundred fifty-five".