1351153919772 has 36 divisors (see below), whose sum is σ = 3433298633856. Its totient is φ = 448026602880.

The previous prime is 1351153919771. The next prime is 1351153919779. The reversal of 1351153919772 is 2779193511531.

1351153919772 is a `hidden beast` number, since 1 + 3 + 5 + 11 + 539 + 1 + 97 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351153919771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98244573 + ... + 98258324.

It is an arithmetic number, because the mean of its divisors is an integer number (95369406496).

Almost surely, 2^{1351153919772} is an apocalyptic number.

1351153919772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1351153919772 is an abundant number, since it is smaller than the sum of its proper divisors (2082144714084).

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

1351153919772 is a wasteful number, since it uses less digits than its factorization.

1351153919772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196503098 (or 196503093 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 54.

The spelling of 1351153919772 in words is "one trillion, three hundred fifty-one billion, one hundred fifty-three million, nine hundred nineteen thousand, seven hundred seventy-two".