131121151454044 has 12 divisors (see below), whose sum is σ = 229462463535984. Its totient is φ = 65560447586624.

The previous prime is 131121151453949. The next prime is 131121151454101. The reversal of 131121151454044 is 440454151121131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131121151453994 and 131121151454012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29714077 + ... + 33840340.

It is an arithmetic number, because the mean of its divisors is an integer number (19121871961332).

Almost surely, 2^{131121151454044} is an apocalyptic number.

It is an amenable number.

131121151454044 is a deficient number, since it is larger than the sum of its proper divisors (98341312081940).

131121151454044 is a wasteful number, since it uses less digits than its factorization.

131121151454044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64070204 (or 64070202 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 131121151454044 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred fifty-one million, four hundred fifty-four thousand, forty-four".