1615747133132 has 72 divisors (see below), whose sum is σ = 3266209320528. Its totient is φ = 697962545280.

The previous prime is 1615747133129. The next prime is 1615747133171. The reversal of 1615747133132 is 2313317475161.

It is a super-2 number, since 2×1615747133132² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279083 + ... + 1819170.

Almost surely, 2^{1615747133132} is an apocalyptic number.

It is an amenable number.

1615747133132 is an abundant number, since it is smaller than the sum of its proper divisors (1650462187396).

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

1615747133132 is a wasteful number, since it uses less digits than its factorization.

1615747133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098359 (or 2098346 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The spelling of 1615747133132 in words is "one trillion, six hundred fifteen billion, seven hundred forty-seven million, one hundred thirty-three thousand, one hundred thirty-two".