2155770708513 has 8 divisors (see below), whose sum is σ = 2874388394208. Its totient is φ = 1437166747584.

The previous prime is 2155770708499. The next prime is 2155770708517. The reversal of 2155770708513 is 3158070775512.

It is a happy number.

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

It is not a de Polignac number, because 2155770708513 - 2³⁶ = 2087051231777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2155770708517) 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, 3058920 + ... + 3697097.

It is an arithmetic number, because the mean of its divisors is an integer number (359298549276).

Almost surely, 2^{2155770708513} is an apocalyptic number.

It is an amenable number.

2155770708513 is a deficient number, since it is larger than the sum of its proper divisors (718617685695).

2155770708513 is a wasteful number, since it uses less digits than its factorization.

2155770708513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862383.

The product of its (nonzero) digits is 2058000, while the sum is 51.

The spelling of 2155770708513 in words is "two trillion, one hundred fifty-five billion, seven hundred seventy million, seven hundred eight thousand, five hundred thirteen".