1531472315120 has 40 divisors (see below), whose sum is σ = 3884370692400. Its totient is φ = 556899023360.

The previous prime is 1531472315119. The next prime is 1531472315143. The reversal of 1531472315120 is 215132741351.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1531472315120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 870153845 + ... + 870155604.

It is an arithmetic number, because the mean of its divisors is an integer number (97109267310).

Almost surely, 2^{1531472315120} is an apocalyptic number.

1531472315120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1531472315120 is an abundant number, since it is smaller than the sum of its proper divisors (2352898377280).

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

1531472315120 is a wasteful number, since it uses less digits than its factorization.

1531472315120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740309473 (or 1740309467 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 1531472315120 in words is "one trillion, five hundred thirty-one billion, four hundred seventy-two million, three hundred fifteen thousand, one hundred twenty".