2057154715345 has 16 divisors (see below), whose sum is σ = 2470019650560. Its totient is φ = 1644768083200.

The previous prime is 2057154715327. The next prime is 2057154715391. The reversal of 2057154715345 is 5435174517502.

It is not a de Polignac number, because 2057154715345 - 2¹⁷ = 2057154584273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66535440 + ... + 66566350.

It is an arithmetic number, because the mean of its divisors is an integer number (154376228160).

Almost surely, 2^{2057154715345} is an apocalyptic number.

It is an amenable number.

2057154715345 is a deficient number, since it is larger than the sum of its proper divisors (412864935215).

2057154715345 is a wasteful number, since it uses less digits than its factorization.

2057154715345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38216.

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 2057154715345 in words is "two trillion, fifty-seven billion, one hundred fifty-four million, seven hundred fifteen thousand, three hundred forty-five".