1801127702272 has 18 divisors (see below), whose sum is σ = 3595219749968. Its totient is φ = 900563851008.

The previous prime is 1801127702261. The next prime is 1801127702291. The reversal of 1801127702272 is 2722077211081.

It is a happy number.

It is a super-2 number, since 2×1801127702272² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3517827288 + ... + 3517827799.

Almost surely, 2^{1801127702272} is an apocalyptic number.

It is an amenable number.

1801127702272 is a deficient number, since it is larger than the sum of its proper divisors (1794092047696).

1801127702272 is an frugal number, since it uses more digits than its factorization.

1801127702272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035655103 (or 7035655089 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 40.

The spelling of 1801127702272 in words is "one trillion, eight hundred one billion, one hundred twenty-seven million, seven hundred two thousand, two hundred seventy-two".