131121153550003 has 16 divisors (see below), whose sum is σ = 138067145280000. Its totient is φ = 124179653549952.

The previous prime is 131121153549983. The next prime is 131121153550039. The reversal of 131121153550003 is 300055351121131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131121153550003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131121153550043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605871723 + ... + 1605953371.

It is an arithmetic number, because the mean of its divisors is an integer number (8629196580000).

Almost surely, 2^{131121153550003} is an apocalyptic number.

131121153550003 is a deficient number, since it is larger than the sum of its proper divisors (6945991729997).

131121153550003 is a wasteful number, since it uses less digits than its factorization.

131121153550003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108114.

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 131121153550003 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred fifty-three million, five hundred fifty thousand, three".