1355151004020 has 144 divisors (see below), whose sum is σ = 4487757438528. Its totient is φ = 328269473280.

The previous prime is 1355151004019. The next prime is 1355151004117. The reversal of 1355151004020 is 204001515531.

1355151004020 is a `hidden beast` number, since 1 + 3 + 5 + 515 + 100 + 40 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2326032 + ... + 2849688.

It is an arithmetic number, because the mean of its divisors is an integer number (31164982212).

Almost surely, 2^{1355151004020} is an apocalyptic number.

1355151004020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355151004020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2243878719264).

1355151004020 is an abundant number, since it is smaller than the sum of its proper divisors (3132606434508).

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

1355151004020 is a wasteful number, since it uses less digits than its factorization.

1355151004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524990 (or 524985 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 1355151004020 its reverse (204001515531), we get a palindrome (1559152519551).

The spelling of 1355151004020 in words is "one trillion, three hundred fifty-five billion, one hundred fifty-one million, four thousand, twenty".