6131257722101 has 4 divisors (see below), whose sum is σ = 6191963244204. Its totient is φ = 6070552200000.

The previous prime is 6131257722091. The next prime is 6131257722119. The reversal of 6131257722101 is 1012277521316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4526979628900 + 1604278093201 = 2127670^2 + 1266601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6131257722101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131257722181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30352760900 + ... + 30352761101.

It is an arithmetic number, because the mean of its divisors is an integer number (1547990811051).

Almost surely, 2^{6131257722101} is an apocalyptic number.

It is an amenable number.

6131257722101 is a deficient number, since it is larger than the sum of its proper divisors (60705522103).

6131257722101 is a wasteful number, since it uses less digits than its factorization.

6131257722101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60705522102.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 6131257722101 in words is "six trillion, one hundred thirty-one billion, two hundred fifty-seven million, seven hundred twenty-two thousand, one hundred one".