1020154235541 has 8 divisors (see below), whose sum is σ = 1554520739904. Its totient is φ = 582945277440.

The previous prime is 1020154235539. The next prime is 1020154235593. The reversal of 1020154235541 is 1455324510201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020154235541 - 2¹ = 1020154235539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020154235041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24289386540 + ... + 24289386581.

It is an arithmetic number, because the mean of its divisors is an integer number (194315092488).

Almost surely, 2^{1020154235541} is an apocalyptic number.

It is an amenable number.

1020154235541 is a deficient number, since it is larger than the sum of its proper divisors (534366504363).

1020154235541 is an equidigital number, since it uses as much as digits as its factorization.

1020154235541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48578773131.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1020154235541 its reverse (1455324510201), we get a palindrome (2475478745742).

The spelling of 1020154235541 in words is "one trillion, twenty billion, one hundred fifty-four million, two hundred thirty-five thousand, five hundred forty-one".