60551742249999 has 384 divisors, whose sum is σ = 119810235138048. Its totient is φ = 28454948628480.

The previous prime is 60551742249997. The next prime is 60551742250003. The reversal of 60551742249999 is 99994224715506.

60551742249999 is a `hidden beast` number, since 6 + 0 + 5 + 5 + 1 + 7 + 42 + 2 + 499 + 99 = 666.

It is a Cunningham number, because it is equal to 7781500²-1.

It is not a de Polignac number, because 60551742249999 - 2¹ = 60551742249997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60551742249997) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 63940593244 + ... + 63940594190.

It is an arithmetic number, because the mean of its divisors is an integer number (312005820672).

Almost surely, 2^{60551742249999} is an apocalyptic number.

60551742249999 is a deficient number, since it is larger than the sum of its proper divisors (59258492888049).

60551742249999 is a wasteful number, since it uses less digits than its factorization.

60551742249999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 440899200, while the sum is 72.

The spelling of 60551742249999 in words is "sixty trillion, five hundred fifty-one billion, seven hundred forty-two million, two hundred forty-nine thousand, nine hundred ninety-nine".