1611655001151 has 64 divisors (see below), whose sum is σ = 2472073228800. Its totient is φ = 925737652224.

The previous prime is 1611655001051. The next prime is 1611655001153. The reversal of 1611655001151 is 1511005561161.

It is not a de Polignac number, because 1611655001151 - 2¹⁵ = 1611654968383 is a prime.

It is a super-2 number, since 2×1611655001151² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611655001153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18620391 + ... + 18706743.

It is an arithmetic number, because the mean of its divisors is an integer number (38626144200).

Almost surely, 2^{1611655001151} is an apocalyptic number.

1611655001151 is a deficient number, since it is larger than the sum of its proper divisors (860418227649).

1611655001151 is a wasteful number, since it uses less digits than its factorization.

1611655001151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86760.

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

The spelling of 1611655001151 in words is "one trillion, six hundred eleven billion, six hundred fifty-five million, one thousand, one hundred fifty-one".