1056050187381 has 64 divisors (see below), whose sum is σ = 1831302144000. Its totient is φ = 588923690688.

The previous prime is 1056050187347. The next prime is 1056050187383. The reversal of 1056050187381 is 1837810506501.

1056050187381 is a `hidden beast` number, since 1 + 0 + 5 + 60 + 501 + 8 + 7 + 3 + 81 = 666.

It is not a de Polignac number, because 1056050187381 - 2⁹ = 1056050186869 is a prime.

It is a super-2 number, since 2×1056050187381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056050187383) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2929846 + ... + 3270488.

It is an arithmetic number, because the mean of its divisors is an integer number (28614096000).

Almost surely, 2^{1056050187381} is an apocalyptic number.

It is an amenable number.

1056050187381 is a deficient number, since it is larger than the sum of its proper divisors (775251956619).

1056050187381 is a wasteful number, since it uses less digits than its factorization.

1056050187381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341055 (or 341049 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 1056050187381 in words is "one trillion, fifty-six billion, fifty million, one hundred eighty-seven thousand, three hundred eighty-one".