120251537761643 has 8 divisors (see below), whose sum is σ = 122290358160960. Its totient is φ = 118212739320520.

The previous prime is 120251537761633. The next prime is 120251537761651. The reversal of 120251537761643 is 346167735152021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120251537761643 - 2¹⁶ = 120251537696107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120251537761633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5749496 + ... + 16539642.

It is an arithmetic number, because the mean of its divisors is an integer number (15286294770120).

Almost surely, 2^{120251537761643} is an apocalyptic number.

120251537761643 is a deficient number, since it is larger than the sum of its proper divisors (2038820399317).

120251537761643 is a wasteful number, since it uses less digits than its factorization.

120251537761643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10979097.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 120251537761643 in words is "one hundred twenty trillion, two hundred fifty-one billion, five hundred thirty-seven million, seven hundred sixty-one thousand, six hundred forty-three".