2151011501 has 8 divisors (see below), whose sum is σ = 2162401920. Its totient is φ = 2139651712.

The previous prime is 2151011491. The next prime is 2151011509. The reversal of 2151011501 is 1051101512.

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

It is a cyclic number.

It is not a de Polignac number, because 2151011501 - 2¹⁴ = 2150995117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2151011501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151011509) 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, 140636 + ... + 155178.

It is an arithmetic number, because the mean of its divisors is an integer number (270300240).

Almost surely, 2^2151011501 is an apocalyptic number.

It is an amenable number.

2151011501 is a deficient number, since it is larger than the sum of its proper divisors (11390419).

2151011501 is a wasteful number, since it uses less digits than its factorization.

2151011501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315.

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 2151011501 is about 46378.9984906962. The cubic root of 2151011501 is about 1290.8652530951.

It can be divided in two parts, 2151011 and 501, that added together give a palindrome (2151512).

The spelling of 2151011501 in words is "two billion, one hundred fifty-one million, eleven thousand, five hundred one".