1615341640253 has 32 divisors (see below), whose sum is σ = 1817558653440. Its totient is φ = 1422704424960.

The previous prime is 1615341640193. The next prime is 1615341640261. The reversal of 1615341640253 is 3520461435161.

It is a cyclic number.

It is not a de Polignac number, because 1615341640253 - 2¹⁸ = 1615341378109 is a prime.

It is a super-2 number, since 2×1615341640253² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1615341640253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1615341660253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100517303 + ... + 100533371.

It is an arithmetic number, because the mean of its divisors is an integer number (56798707920).

Almost surely, 2^{1615341640253} is an apocalyptic number.

It is an amenable number.

1615341640253 is a deficient number, since it is larger than the sum of its proper divisors (202217013187).

1615341640253 is a wasteful number, since it uses less digits than its factorization.

1615341640253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17157.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1615341640253 in words is "one trillion, six hundred fifteen billion, three hundred forty-one million, six hundred forty thousand, two hundred fifty-three".