1351155722540 has 96 divisors (see below), whose sum is σ = 3217801023360. Its totient is φ = 472819286016.

The previous prime is 1351155722537. The next prime is 1351155722611. The reversal of 1351155722540 is 452275511531.

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, 384629 + ... + 1688268.

It is an arithmetic number, because the mean of its divisors is an integer number (33518760660).

Almost surely, 2^{1351155722540} is an apocalyptic number.

1351155722540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351155722540 is an abundant number, since it is smaller than the sum of its proper divisors (1866645300820).

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

1351155722540 is a wasteful number, since it uses less digits than its factorization.

1351155722540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073051 (or 2073049 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 1351155722540 in words is "one trillion, three hundred fifty-one billion, one hundred fifty-five million, seven hundred twenty-two thousand, five hundred forty".