201061241425642 has 16 divisors (see below), whose sum is σ = 324791718031872. Its totient is φ = 92797358361840.

The previous prime is 201061241425637. The next prime is 201061241425651. The reversal of 201061241425642 is 246524142160102.

It is a super-2 number, since 2×201061241425642² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201061241425595 and 201061241425604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13318683 + ... + 24073009.

It is an arithmetic number, because the mean of its divisors is an integer number (20299482376992).

Almost surely, 2^{201061241425642} is an apocalyptic number.

201061241425642 is a deficient number, since it is larger than the sum of its proper divisors (123730476606230).

201061241425642 is a wasteful number, since it uses less digits than its factorization.

201061241425642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473413.

The product of its (nonzero) digits is 184320, while the sum is 40.

Adding to 201061241425642 its reverse (246524142160102), we get a palindrome (447585383585744).

The spelling of 201061241425642 in words is "two hundred one trillion, sixty-one billion, two hundred forty-one million, four hundred twenty-five thousand, six hundred forty-two".