72150001501 has 8 divisors (see below), whose sum is σ = 75828594240. Its totient is φ = 68516545152.

The previous prime is 72150001489. The next prime is 72150001513. The reversal of 72150001501 is 10510005127.

It is an interprime number because it is at equal distance from previous prime (72150001489) and next prime (72150001513).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72150001501 - 2⁷ = 72150001373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72150004501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11280820 + ... + 11287213.

It is an arithmetic number, because the mean of its divisors is an integer number (9478574280).

Almost surely, 2^72150001501 is an apocalyptic number.

It is an amenable number.

72150001501 is a deficient number, since it is larger than the sum of its proper divisors (3678592739).

72150001501 is a wasteful number, since it uses less digits than its factorization.

72150001501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22568195.

The product of its (nonzero) digits is 350, while the sum is 22.

Adding to 72150001501 its reverse (10510005127), we get a palindrome (82660006628).

The spelling of 72150001501 in words is "seventy-two billion, one hundred fifty million, one thousand, five hundred one".