2151425967077 has 16 divisors (see below), whose sum is σ = 2240051814000. Its totient is φ = 2063779597824.

The previous prime is 2151425967049. The next prime is 2151425967079. The reversal of 2151425967077 is 7707695241512.

It is a Cunningham number, because it is equal to 1466774²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 2151425967076 = 1^2 + 1466774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151425967077 - 2¹² = 2151425962981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151425967079) 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, 7019249 + ... + 7319337.

It is an arithmetic number, because the mean of its divisors is an integer number (140003238375).

Almost surely, 2^{2151425967077} is an apocalyptic number.

It is an amenable number.

2151425967077 is a deficient number, since it is larger than the sum of its proper divisors (88625846923).

2151425967077 is a wasteful number, since it uses less digits than its factorization.

2151425967077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301720.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 2151425967077 in words is "two trillion, one hundred fifty-one billion, four hundred twenty-five million, nine hundred sixty-seven thousand, seventy-seven".