2056615289958 has 8 divisors (see below), whose sum is σ = 4113230579928. Its totient is φ = 685538429984.

The previous prime is 2056615289957. The next prime is 2056615289959. The reversal of 2056615289958 is 8599825166502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2056615289957) and next prime (2056615289959).

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

2056615289958 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056615289957) 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, 171384607491 + ... + 171384607502.

It is an arithmetic number, because the mean of its divisors is an integer number (514153822491).

Almost surely, 2^{2056615289958} is an apocalyptic number.

2056615289958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056615289958 is a wasteful number, since it uses less digits than its factorization.

2056615289958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342769214998.

The product of its (nonzero) digits is 93312000, while the sum is 66.

The spelling of 2056615289958 in words is "two trillion, fifty-six billion, six hundred fifteen million, two hundred eighty-nine thousand, nine hundred fifty-eight".