1523132781140 has 24 divisors (see below), whose sum is σ = 3198770356320. Its totient is φ = 609216633248.

The previous prime is 1523132781119. The next prime is 1523132781169. The reversal of 1523132781140 is 411872313251.

It is a super-2 number, since 2×1523132781140² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1523132781094 and 1523132781103.

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, 1936310 + ... + 2606829.

It is an arithmetic number, because the mean of its divisors is an integer number (133282098180).

Almost surely, 2^{1523132781140} is an apocalyptic number.

1523132781140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523132781140 is an abundant number, since it is smaller than the sum of its proper divisors (1675637575180).

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

1523132781140 is a wasteful number, since it uses less digits than its factorization.

1523132781140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559911 (or 4559909 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 1523132781140 in words is "one trillion, five hundred twenty-three billion, one hundred thirty-two million, seven hundred eighty-one thousand, one hundred forty".