1115001550151 has 4 divisors (see below), whose sum is σ = 1115124641400. Its totient is φ = 1114878458904.

The previous prime is 1115001550133. The next prime is 1115001550153. The reversal of 1115001550151 is 1510551005111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1115001550151 - 2¹⁰ = 1115001549127 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 1115001550151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115001550153) 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, 61532036 + ... + 61550153.

It is an arithmetic number, because the mean of its divisors is an integer number (278781160350).

Almost surely, 2^{1115001550151} is an apocalyptic number.

1115001550151 is a deficient number, since it is larger than the sum of its proper divisors (123091249).

1115001550151 is an equidigital number, since it uses as much as digits as its factorization.

1115001550151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123091248.

The product of its (nonzero) digits is 625, while the sum is 26.

Adding to 1115001550151 its reverse (1510551005111), we get a palindrome (2625552555262).

The spelling of 1115001550151 in words is "one trillion, one hundred fifteen billion, one million, five hundred fifty thousand, one hundred fifty-one".