1230415511 has 32 divisors (see below), whose sum is σ = 1450068480. Its totient is φ = 1033703424.

The previous prime is 1230415493. The next prime is 1230415517. The reversal of 1230415511 is 1155140321.

It is not a de Polignac number, because 1230415511 - 2⁶ = 1230415447 is a prime.

It is a super-2 number, since 2×1230415511² = 3027844659418782242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230415517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 854330 + ... + 855768.

It is an arithmetic number, because the mean of its divisors is an integer number (45314640).

Almost surely, 2^1230415511 is an apocalyptic number.

1230415511 is a deficient number, since it is larger than the sum of its proper divisors (219652969).

1230415511 is a wasteful number, since it uses less digits than its factorization.

1230415511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1230415511 is about 35077.2791276633. The cubic root of 1230415511 is about 1071.5619053308.

Adding to 1230415511 its reverse (1155140321), we get a palindrome (2385555832).

The spelling of 1230415511 in words is "one billion, two hundred thirty million, four hundred fifteen thousand, five hundred eleven".