60987511 has 8 divisors (see below), whose sum is σ = 69135920. Its totient is φ = 53332992.

The previous prime is 60987503. The next prime is 60987527. The reversal of 60987511 is 11578906.

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 60987511 - 2³ = 60987503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60987011) 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, 123210 + ... + 123703.

It is an arithmetic number, because the mean of its divisors is an integer number (8641990).

Almost surely, 2^60987511 is an apocalyptic number.

60987511 is a deficient number, since it is larger than the sum of its proper divisors (8148409).

60987511 is a wasteful number, since it uses less digits than its factorization.

60987511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246945.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 60987511 is about 7809.4501086824. The cubic root of 60987511 is about 393.6228514966.

The spelling of 60987511 in words is "sixty million, nine hundred eighty-seven thousand, five hundred eleven".