2771240554157 has 8 divisors (see below), whose sum is σ = 2793699592992. Its totient is φ = 2748801281200.

The previous prime is 2771240554141. The next prime is 2771240554241. The reversal of 2771240554157 is 7514550421772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2771240554157 - 2⁴ = 2771240554141 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 (2771240554127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4659863 + ... + 5220804.

It is an arithmetic number, because the mean of its divisors is an integer number (349212449124).

Almost surely, 2^{2771240554157} is an apocalyptic number.

It is an amenable number.

2771240554157 is a deficient number, since it is larger than the sum of its proper divisors (22459038835).

2771240554157 is a wasteful number, since it uses less digits than its factorization.

2771240554157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9882939.

The product of its (nonzero) digits is 2744000, while the sum is 50.

The spelling of 2771240554157 in words is "two trillion, seven hundred seventy-one billion, two hundred forty million, five hundred fifty-four thousand, one hundred fifty-seven".