1115051556151 has 16 divisors (see below), whose sum is σ = 1210454074368. Its totient is φ = 1021026988800.

The previous prime is 1115051556109. The next prime is 1115051556163. The reversal of 1115051556151 is 1516551505111.

It is a happy number.

It is not a de Polignac number, because 1115051556151 - 2¹⁹ = 1115051031863 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 1115051556151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115051556181) 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, 12405411 + ... + 12494971.

It is an arithmetic number, because the mean of its divisors is an integer number (75653379648).

Almost surely, 2^{1115051556151} is an apocalyptic number.

1115051556151 is a deficient number, since it is larger than the sum of its proper divisors (95402518217).

1115051556151 is a wasteful number, since it uses less digits than its factorization.

1115051556151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97242.

The product of its (nonzero) digits is 18750, while the sum is 37.

The spelling of 1115051556151 in words is "one trillion, one hundred fifteen billion, fifty-one million, five hundred fifty-six thousand, one hundred fifty-one".