1152011501 has 4 divisors (see below), whose sum is σ = 1176522432. Its totient is φ = 1127500572.

The previous prime is 1152011489. The next prime is 1152011503. The reversal of 1152011501 is 1051102511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1051102511 = 193 ⋅5446127.

It is a cyclic number.

It is not a de Polignac number, because 1152011501 - 2¹⁰ = 1152010477 is a prime.

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 1152011501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152011503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12255395 + ... + 12255488.

It is an arithmetic number, because the mean of its divisors is an integer number (294130608).

Almost surely, 2^1152011501 is an apocalyptic number.

It is an amenable number.

1152011501 is a deficient number, since it is larger than the sum of its proper divisors (24510931).

1152011501 is an equidigital number, since it uses as much as digits as its factorization.

1152011501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24510930.

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

The square root of 1152011501 is about 33941.2949222625. The cubic root of 1152011501 is about 1048.3000462306.

The spelling of 1152011501 in words is "one billion, one hundred fifty-two million, eleven thousand, five hundred one".