131121302540552 has 32 divisors (see below), whose sum is σ = 255720442348800. Its totient is φ = 62961472516800.

The previous prime is 131121302540533. The next prime is 131121302540597. The reversal of 131121302540552 is 255045203121131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017963427 + ... + 2018028402.

It is an arithmetic number, because the mean of its divisors is an integer number (7991263823400).

Almost surely, 2^{131121302540552} is an apocalyptic number.

It is an amenable number.

131121302540552 is a deficient number, since it is larger than the sum of its proper divisors (124599139808248).

131121302540552 is a wasteful number, since it uses less digits than its factorization.

131121302540552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035991997 (or 4035991993 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 131121302540552 its reverse (255045203121131), we get a palindrome (386166505661683).

The spelling of 131121302540552 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred two million, five hundred forty thousand, five hundred fifty-two".