61201450245 has 16 divisors (see below), whose sum is σ = 105454806912. Its totient is φ = 30129944640.

The previous prime is 61201450207. The next prime is 61201450291. The reversal of 61201450245 is 54205410216.

It is not a de Polignac number, because 61201450245 - 2⁶ = 61201450181 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 156926601 + ... + 156926990.

It is an arithmetic number, because the mean of its divisors is an integer number (6590925432).

Almost surely, 2^61201450245 is an apocalyptic number.

61201450245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61201450245 is a deficient number, since it is larger than the sum of its proper divisors (44253356667).

61201450245 is a wasteful number, since it uses less digits than its factorization.

61201450245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313853612.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 61201450245 in words is "sixty-one billion, two hundred one million, four hundred fifty thousand, two hundred forty-five".