1061137477020 has 48 divisors (see below), whose sum is σ = 2971693726848. Its totient is φ = 282921537600.

The previous prime is 1061137477003. The next prime is 1061137477133. The reversal of 1061137477020 is 207747311601.

It is a super-2 number, since 2×1061137477020² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061137477020.

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, 1160274 + ... + 1862393.

It is an arithmetic number, because the mean of its divisors is an integer number (61910285976).

Almost surely, 2^{1061137477020} is an apocalyptic number.

1061137477020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061137477020 is an abundant number, since it is smaller than the sum of its proper divisors (1910556249828).

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

1061137477020 is a wasteful number, since it uses less digits than its factorization.

1061137477020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028530 (or 3028528 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 1061137477020 in words is "one trillion, sixty-one billion, one hundred thirty-seven million, four hundred seventy-seven thousand, twenty".