1249986073061 has 32 divisors (see below), whose sum is σ = 1474844226048. Its totient is φ = 1046545367040.

The previous prime is 1249986073057. The next prime is 1249986073067. The reversal of 1249986073061 is 1603706899421.

It is a cyclic number.

It is not a de Polignac number, because 1249986073061 - 2² = 1249986073057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1249986072988 and 1249986073006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249986073067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58638341 + ... + 58659653.

It is an arithmetic number, because the mean of its divisors is an integer number (46088882064).

Almost surely, 2^{1249986073061} is an apocalyptic number.

1249986073061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1249986073061 is a deficient number, since it is larger than the sum of its proper divisors (224858152987).

1249986073061 is a wasteful number, since it uses less digits than its factorization.

1249986073061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28061.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 1249986073061 in words is "one trillion, two hundred forty-nine billion, nine hundred eighty-six million, seventy-three thousand, sixty-one".