1351155722552 has 32 divisors (see below), whose sum is σ = 2534890950000. Its totient is φ = 675184946688.

The previous prime is 1351155722537. The next prime is 1351155722611. The reversal of 1351155722552 is 2552275511531.

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, 140025824 + ... + 140035472.

Almost surely, 2^{1351155722552} is an apocalyptic number.

It is an amenable number.

1351155722552 is a deficient number, since it is larger than the sum of its proper divisors (1183735227448).

1351155722552 is a wasteful number, since it uses less digits than its factorization.

1351155722552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18023 (or 18019 counting only the distinct ones).

The product of its digits is 525000, while the sum is 44.

The spelling of 1351155722552 in words is "one trillion, three hundred fifty-one billion, one hundred fifty-five million, seven hundred twenty-two thousand, five hundred fifty-two".