1051011045 has 120 divisors (see below), whose sum is σ = 2210791968. Its totient is φ = 476280000.

The previous prime is 1051011037. The next prime is 1051011067. The reversal of 1051011045 is 5401101501.

It is a happy number.

1051011045 is a `hidden beast` number, since 1 + 0 + 510 + 110 + 45 = 666.

It is not a de Polignac number, because 1051011045 - 2³ = 1051011037 is a prime.

It is a super-2 number, since 2×1051011045² = 2209248433423984050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4187170 + ... + 4187420.

Almost surely, 2^1051011045 is an apocalyptic number.

1051011045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051011045 is an abundant number, since it is smaller than the sum of its proper divisors (1159780923).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051011045 is a wasteful number, since it uses less digits than its factorization.

1051011045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1051011045 is about 32419.3005013989. The cubic root of 1051011045 is about 1016.7224815127.

Adding to 1051011045 its reverse (5401101501), we get a palindrome (6452112546).

The spelling of 1051011045 in words is "one billion, fifty-one million, eleven thousand, forty-five".