72550435153513 has 16 divisors (see below), whose sum is σ = 77163931224576. Its totient is φ = 67975374608640.

The previous prime is 72550435153501. The next prime is 72550435153519. The reversal of 72550435153513 is 31535153405527.

It is a cyclic number.

It is not a de Polignac number, because 72550435153513 - 2¹⁷ = 72550435022441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72550435153519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277988703 + ... + 278249563.

It is an arithmetic number, because the mean of its divisors is an integer number (4822745701536).

Almost surely, 2^{72550435153513} is an apocalyptic number.

It is an amenable number.

72550435153513 is a deficient number, since it is larger than the sum of its proper divisors (4613496071063).

72550435153513 is a wasteful number, since it uses less digits than its factorization.

72550435153513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334464.

The product of its (nonzero) digits is 4725000, while the sum is 49.

The spelling of 72550435153513 in words is "seventy-two trillion, five hundred fifty billion, four hundred thirty-five million, one hundred fifty-three thousand, five hundred thirteen".