1151016987 has 8 divisors (see below), whose sum is σ = 1539689536. Its totient is φ = 764844552.

The previous prime is 1151016973. The next prime is 1151017009. The reversal of 1151016987 is 7896101511.

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

It is not a de Polignac number, because 1151016987 - 2⁸ = 1151016731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151016917) 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, 623953 + ... + 625794.

It is an arithmetic number, because the mean of its divisors is an integer number (192461192).

Almost surely, 2^1151016987 is an apocalyptic number.

1151016987 is a deficient number, since it is larger than the sum of its proper divisors (388672549).

1151016987 is a wasteful number, since it uses less digits than its factorization.

1151016987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250057.

The product of its (nonzero) digits is 15120, while the sum is 39.

The square root of 1151016987 is about 33926.6412572774. The cubic root of 1151016987 is about 1047.9982988896.

The spelling of 1151016987 in words is "one billion, one hundred fifty-one million, sixteen thousand, nine hundred eighty-seven".