10551020645 has 16 divisors (see below), whose sum is σ = 13818299328. Its totient is φ = 7670106240.

The previous prime is 10551020629. The next prime is 10551020653. The reversal of 10551020645 is 54602015501.

It is a happy number.

It is not a de Polignac number, because 10551020645 - 2⁴ = 10551020629 is a prime.

It is a super-2 number, since 2×10551020645² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88217 + ... + 169953.

It is an arithmetic number, because the mean of its divisors is an integer number (863643708).

Almost surely, 2^10551020645 is an apocalyptic number.

It is an amenable number.

10551020645 is a deficient number, since it is larger than the sum of its proper divisors (3267278683).

10551020645 is a wasteful number, since it uses less digits than its factorization.

10551020645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84100.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 10551020645 in words is "ten billion, five hundred fifty-one million, twenty thousand, six hundred forty-five".