72020010005011 has 16 divisors (see below), whose sum is σ = 76286603606400. Its totient is φ = 67801548528000.

The previous prime is 72020010004997. The next prime is 72020010005017. The reversal of 72020010005011 is 11050001002027.

It is a cyclic number.

It is not a de Polignac number, because 72020010005011 - 2¹⁷ = 72020009873939 is a prime.

It is a super-2 number, since 2×72020010005011² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 72020010005011.

It is not an unprimeable number, because it can be changed into a prime (72020010005017) 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, 2362230 + ... + 12231931.

It is an arithmetic number, because the mean of its divisors is an integer number (4767912725400).

Almost surely, 2^{72020010005011} is an apocalyptic number.

72020010005011 is a deficient number, since it is larger than the sum of its proper divisors (4266593601389).

72020010005011 is a wasteful number, since it uses less digits than its factorization.

72020010005011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14595810.

The product of its (nonzero) digits is 140, while the sum is 19.

Adding to 72020010005011 its reverse (11050001002027), we get a palindrome (83070011007038).

The spelling of 72020010005011 in words is "seventy-two trillion, twenty billion, ten million, five thousand, eleven".