1147200151172 has 72 divisors (see below), whose sum is σ = 2117143169568. Its totient is φ = 543690385920.

The previous prime is 1147200151157. The next prime is 1147200151177. The reversal of 1147200151172 is 2711510027411.

It is not an unprimeable number, because it can be changed into a prime (1147200151177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32869643 + ... + 32904525.

It is an arithmetic number, because the mean of its divisors is an integer number (29404766244).

Almost surely, 2^{1147200151172} is an apocalyptic number.

It is an amenable number.

1147200151172 is a deficient number, since it is larger than the sum of its proper divisors (969943018396).

1147200151172 is a wasteful number, since it uses less digits than its factorization.

1147200151172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35109 (or 35066 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 32.

Adding to 1147200151172 its reverse (2711510027411), we get a palindrome (3858710178583).

The spelling of 1147200151172 in words is "one trillion, one hundred forty-seven billion, two hundred million, one hundred fifty-one thousand, one hundred seventy-two".