1425116511 has 144 divisors (see below), whose sum is σ = 2803533824. Its totient is φ = 704318976.

The previous prime is 1425116507. The next prime is 1425116519. The reversal of 1425116511 is 1156115241.

1425116511 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 1 + 1 + 651 + 1 = 666.

It is not a de Polignac number, because 1425116511 - 2² = 1425116507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425116519) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6390546 + ... + 6390768.

Almost surely, 2^1425116511 is an apocalyptic number.

1425116511 is a deficient number, since it is larger than the sum of its proper divisors (1378417313).

1425116511 is a wasteful number, since it uses less digits than its factorization.

1425116511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 263 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 1425116511 is about 37750.7153707052. The cubic root of 1425116511 is about 1125.3392257017.

The spelling of 1425116511 in words is "one billion, four hundred twenty-five million, one hundred sixteen thousand, five hundred eleven".