242005551211501 has 24 divisors (see below), whose sum is σ = 304154337215232. Its totient is φ = 188484344320800.

The previous prime is 242005551211499. The next prime is 242005551211507. The reversal of 242005551211501 is 105112155500242.

It is not a de Polignac number, because 242005551211501 - 2¹ = 242005551211499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242005551211507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67501510 + ... + 70996231.

It is an arithmetic number, because the mean of its divisors is an integer number (12673097383968).

Almost surely, 2^{242005551211501} is an apocalyptic number.

It is an amenable number.

242005551211501 is a deficient number, since it is larger than the sum of its proper divisors (62148786003731).

242005551211501 is a wasteful number, since it uses less digits than its factorization.

242005551211501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138499833 (or 138499822 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 242005551211501 in words is "two hundred forty-two trillion, five billion, five hundred fifty-one million, two hundred eleven thousand, five hundred one".