1355172461252 has 96 divisors (see below), whose sum is σ = 2461223116800. Its totient is φ = 652639223808.

The previous prime is 1355172461249. The next prime is 1355172461303. The reversal of 1355172461252 is 2521642715531.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1246708253 + ... + 1246709339.

It is an arithmetic number, because the mean of its divisors is an integer number (25637740800).

Almost surely, 2^{1355172461252} is an apocalyptic number.

It is an amenable number.

1355172461252 is a deficient number, since it is larger than the sum of its proper divisors (1106050655548).

1355172461252 is a wasteful number, since it uses less digits than its factorization.

1355172461252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1811 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The spelling of 1355172461252 in words is "one trillion, three hundred fifty-five billion, one hundred seventy-two million, four hundred sixty-one thousand, two hundred fifty-two".