1162221671555 has 32 divisors (see below), whose sum is σ = 1597666775040. Its totient is φ = 795071548800.

The previous prime is 1162221671551. The next prime is 1162221671557. The reversal of 1162221671555 is 5551761222611.

It is not a de Polignac number, because 1162221671555 - 2² = 1162221671551 is a prime.

It is a super-2 number, since 2×1162221671555² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1162221671551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83600105 + ... + 83614005.

It is an arithmetic number, because the mean of its divisors is an integer number (49927086720).

Almost surely, 2^{1162221671555} is an apocalyptic number.

1162221671555 is a deficient number, since it is larger than the sum of its proper divisors (435445103485).

1162221671555 is a wasteful number, since it uses less digits than its factorization.

1162221671555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19379.

The product of its digits is 252000, while the sum is 44.

The spelling of 1162221671555 in words is "one trillion, one hundred sixty-two billion, two hundred twenty-one million, six hundred seventy-one thousand, five hundred fifty-five".