1615655011011 has 32 divisors (see below), whose sum is σ = 2301458104320. Its totient is φ = 1005941462400.

The previous prime is 1615655010979. The next prime is 1615655011049. The reversal of 1615655011011 is 1101105565161.

It is not a de Polignac number, because 1615655011011 - 2⁵ = 1615655010979 is a prime.

It is a super-2 number, since 2×1615655011011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1615655018011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5639901 + ... + 5919441.

It is an arithmetic number, because the mean of its divisors is an integer number (71920565760).

Almost surely, 2^{1615655011011} is an apocalyptic number.

1615655011011 is a deficient number, since it is larger than the sum of its proper divisors (685803093309).

1615655011011 is a wasteful number, since it uses less digits than its factorization.

1615655011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281747.

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 1615655011011 in words is "one trillion, six hundred fifteen billion, six hundred fifty-five million, eleven thousand, eleven".