131121154121052 has 12 divisors (see below), whose sum is σ = 305949359615816. Its totient is φ = 43707051373680.

The previous prime is 131121154121017. The next prime is 131121154121093. The reversal of 131121154121052 is 250121451121131.

It is a happy number.

131121154121052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×131121154121052³ (a number of 43 digits) contains 333 as substring.

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, 5463381421699 + ... + 5463381421722.

Almost surely, 2^{131121154121052} is an apocalyptic number.

131121154121052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131121154121052 is an abundant number, since it is smaller than the sum of its proper divisors (174828205494764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131121154121052 is a wasteful number, since it uses less digits than its factorization.

131121154121052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10926762843428 (or 10926762843426 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 30.

The spelling of 131121154121052 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred fifty-four million, one hundred twenty-one thousand, fifty-two".