60551520605999 has 4 divisors (see below), whose sum is σ = 60553211883336. Its totient is φ = 60549829328664.

The previous prime is 60551520605977. The next prime is 60551520606019. The reversal of 60551520605999 is 99950602515506.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60551520605999 - 2¹² = 60551520601903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60551520605599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845584964 + ... + 845656569.

It is an arithmetic number, because the mean of its divisors is an integer number (15138302970834).

Almost surely, 2^{60551520605999} is an apocalyptic number.

60551520605999 is a deficient number, since it is larger than the sum of its proper divisors (1691277337).

60551520605999 is a wasteful number, since it uses less digits than its factorization.

60551520605999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691277336.

The product of its (nonzero) digits is 32805000, while the sum is 62.

The spelling of 60551520605999 in words is "sixty trillion, five hundred fifty-one billion, five hundred twenty million, six hundred five thousand, nine hundred ninety-nine".