12157741607 has 16 divisors (see below), whose sum is σ = 14422720032. Its totient is φ = 10121195520.

The previous prime is 12157741559. The next prime is 12157741619. The reversal of 12157741607 is 70614775121.

It is a cyclic number.

It is not a de Polignac number, because 12157741607 - 2¹⁶ = 12157676071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12157741627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871658 + ... + 885495.

It is an arithmetic number, because the mean of its divisors is an integer number (901420002).

Almost surely, 2^12157741607 is an apocalyptic number.

12157741607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12157741607 is a deficient number, since it is larger than the sum of its proper divisors (2264978425).

12157741607 is a wasteful number, since it uses less digits than its factorization.

12157741607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757218.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 12157741607 in words is "twelve billion, one hundred fifty-seven million, seven hundred forty-one thousand, six hundred seven".