2751340513157 has 4 divisors (see below), whose sum is σ = 2762756864076. Its totient is φ = 2739924162240.

The previous prime is 2751340513063. The next prime is 2751340513169. The reversal of 2751340513157 is 7513150431572.

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 1229013914881 + 1522326598276 = 1108609^2 + 1233826^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751340513157 - 2¹² = 2751340509061 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 (2751340513177) 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, 5708175098 + ... + 5708175579.

It is an arithmetic number, because the mean of its divisors is an integer number (690689216019).

Almost surely, 2^{2751340513157} is an apocalyptic number.

It is an amenable number.

2751340513157 is a deficient number, since it is larger than the sum of its proper divisors (11416350919).

2751340513157 is a wasteful number, since it uses less digits than its factorization.

2751340513157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11416350918.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 2751340513157 in words is "two trillion, seven hundred fifty-one billion, three hundred forty million, five hundred thirteen thousand, one hundred fifty-seven".