77242307111125 has 32 divisors (see below), whose sum is σ = 104357188196352. Its totient is φ = 56741831496000.

The previous prime is 77242307111051. The next prime is 77242307111261. The reversal of 77242307111125 is 52111170324277.

It is a de Polignac number, because none of the positive numbers 2^k-77242307111125 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124123467 + ... + 124744216.

It is an arithmetic number, because the mean of its divisors is an integer number (3261162131136).

Almost surely, 2^{77242307111125} is an apocalyptic number.

It is an amenable number.

77242307111125 is a deficient number, since it is larger than the sum of its proper divisors (27114881085227).

77242307111125 is a wasteful number, since it uses less digits than its factorization.

77242307111125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248867902 (or 248867892 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 77242307111125 in words is "seventy-seven trillion, two hundred forty-two billion, three hundred seven million, one hundred eleven thousand, one hundred twenty-five".