1201550534152 has 8 divisors (see below), whose sum is σ = 2252907251550. Its totient is φ = 600775267072.

The previous prime is 1201550534147. The next prime is 1201550534153. The reversal of 1201550534152 is 2514350551021.

It can be written as a sum of positive squares in only one way, i.e., 1150269120036 + 51281414116 = 1072506^2 + 226454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1201550534152² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201550534153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75096908377 + ... + 75096908392.

Almost surely, 2^{1201550534152} is an apocalyptic number.

It is an amenable number.

1201550534152 is a deficient number, since it is larger than the sum of its proper divisors (1051356717398).

1201550534152 is a wasteful number, since it uses less digits than its factorization.

1201550534152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150193816775 (or 150193816771 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 1201550534152 in words is "one trillion, two hundred one billion, five hundred fifty million, five hundred thirty-four thousand, one hundred fifty-two".