61501341603263 has 16 divisors (see below), whose sum is σ = 61830737971200. Its totient is φ = 61172903341440.

The previous prime is 61501341603253. The next prime is 61501341603281. The reversal of 61501341603263 is 36230614310516.

It is a cyclic number.

It is not a de Polignac number, because 61501341603263 - 2¹⁸ = 61501341341119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61501341603263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61501341603253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572195495 + ... + 572302967.

It is an arithmetic number, because the mean of its divisors is an integer number (3864421123200).

Almost surely, 2^{61501341603263} is an apocalyptic number.

61501341603263 is a deficient number, since it is larger than the sum of its proper divisors (329396367937).

61501341603263 is a wasteful number, since it uses less digits than its factorization.

61501341603263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111902.

The product of its (nonzero) digits is 233280, while the sum is 41.

Adding to 61501341603263 its reverse (36230614310516), we get a palindrome (97731955913779).

The spelling of 61501341603263 in words is "sixty-one trillion, five hundred one billion, three hundred forty-one million, six hundred three thousand, two hundred sixty-three".